root/ext/oci8/oci8_interface.c

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DEFINITIONS

This source file includes following definitions.
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/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2008 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Stig Sæther Bakken <ssb@php.net>                            |
   |          Thies C. Arntzen <thies@thieso.net>                         |
   |                                                                      |
   | Collection support by Andy Sautins <asautins@veripost.net>           |
   | Temporary LOB support by David Benson <dbenson@mancala.com>          |
   | ZTS per process OCIPLogon by Harald Radi <harald.radi@nme.at>        |
   |                                                                      |
   | Redesigned by: Antony Dovgal <antony@zend.com>                       |
   |                Andi Gutmans <andi@zend.com>                          |
   |                Wez Furlong <wez@omniti.com>                          |
   +----------------------------------------------------------------------+
*/

/* $Id: oci8_interface.c,v 1.8.2.7.2.16 2008/04/02 14:56:43 tony2001 Exp $ */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "php.h"
#include "ext/standard/info.h"
#include "php_ini.h"

#if HAVE_OCI8

#include "php_oci8.h"
#include "php_oci8_int.h"

#ifndef OCI_STMT_CALL
#define OCI_STMT_CALL 10
#endif

/* {{{ proto bool oci_define_by_name(resource stmt, string name, mixed &var [, int type])
   Define a PHP variable to an Oracle column by name */
/* if you want to define a LOB/CLOB etc make sure you allocate it via OCINewDescriptor BEFORE defining!!! */
PHP_FUNCTION(oci_define_by_name)
{
        zval *stmt, *var;
        char *name;
        int name_len;
        long type = 0;
        php_oci_statement *statement;
        php_oci_define *define, *tmp_define;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsz/|l", &stmt, &name, &name_len, &var, &type) == FAILURE) {
                return;
        }

        if (!name_len) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Column name cannot be empty");
                RETURN_FALSE;
        }

        PHP_OCI_ZVAL_TO_STATEMENT(stmt, statement);

        if (statement->defines == NULL) {
                ALLOC_HASHTABLE(statement->defines);
                zend_hash_init(statement->defines, 13, NULL, php_oci_define_hash_dtor, 0);
        }

        define = ecalloc(1,sizeof(php_oci_define));

        if (zend_hash_add(statement->defines, name, name_len, define, sizeof(php_oci_define), (void **)&tmp_define) == SUCCESS) {
                efree(define);
                define = tmp_define;
        } else {
                efree(define);
                RETURN_FALSE;
        }

        define->name = (text*) estrndup(name, name_len);
        define->name_len = name_len;
        define->type = type;
        define->zval = var;
        zval_add_ref(&var);

        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_bind_by_name(resource stmt, string name, mixed &var, [, int maxlength [, int type]])
   Bind a PHP variable to an Oracle placeholder by name */
/* if you want to bind a LOB/CLOB etc make sure you allocate it via OCINewDescriptor BEFORE binding!!! */
PHP_FUNCTION(oci_bind_by_name)
{
        ub2     bind_type = SQLT_CHR; /* unterminated string */
        int name_len;
        long maxlen = -1, type = 0;
        char *name;
        zval *z_statement;
        zval *bind_var = NULL;
        php_oci_statement *statement;
        
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsz/|ll", &z_statement, &name, &name_len, &bind_var, &maxlen, &type) == FAILURE) {
                return;
        }

        if (type) {
                bind_type = (ub2) type;
        }
        
        PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);

        if (php_oci_bind_by_name(statement, name, name_len, bind_var, maxlen, bind_type TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_bind_array_by_name(resource stmt, string name, array &var, int max_table_length [, int max_item_length [, int type ]])
   Bind a PHP array to an Oracle PL/SQL type by name */
PHP_FUNCTION(oci_bind_array_by_name)
{
        int name_len;
        long max_item_len = -1;
        long max_array_len = 0;
        long type = SQLT_AFC;
        char *name;
        zval *z_statement;
        zval *bind_var = NULL;
        php_oci_statement *statement;
        
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsz/l|ll", &z_statement, &name, &name_len, &bind_var, &max_array_len, &max_item_len, &type) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);

        if (ZEND_NUM_ARGS() == 5 && max_item_len <= 0) {
                max_item_len = -1;
        }
        
        if (max_array_len <= 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Maximum array length must be greater than zero");
                RETURN_FALSE;
        }
        
        if (php_oci_bind_array_by_name(statement, name, name_len, bind_var, max_array_len, max_item_len, type TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_free_descriptor()
   Deletes large object description */
PHP_FUNCTION(oci_free_descriptor)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;

        if (!getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
                        return;
                }
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }

        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);

        zend_list_delete(descriptor->id);
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_lob_save( string data [, int offset ])
   Saves a large object */
PHP_FUNCTION(oci_lob_save)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        char *data;
        int data_len;
        long offset = 0;
        ub4 bytes_written;

        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &data, &data_len, &offset) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Os|l", &z_descriptor, oci_lob_class_entry_ptr, &data, &data_len, &offset) == FAILURE) {
                        return;
                }
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }

        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);

        if (offset < 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Offset parameter must be greater than or equal to 0");
                RETURN_FALSE;
        }
        
        if (php_oci_lob_write(descriptor, offset, data, data_len, &bytes_written TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_lob_import( string filename )
   Loads file into a LOB */
PHP_FUNCTION(oci_lob_import)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        char *filename;
        int filename_len;

        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &filename, &filename_len) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Os", &z_descriptor, oci_lob_class_entry_ptr, &filename, &filename_len) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);

        if (php_oci_lob_import(descriptor, filename TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto string oci_lob_load()
   Loads a large object */
PHP_FUNCTION(oci_lob_load)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        char *buffer = NULL;
        ub4 buffer_len;

        if (!getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);

        if (php_oci_lob_read(descriptor, -1, 0, &buffer, &buffer_len TSRMLS_CC)) {
                RETURN_FALSE;
        }
        if (buffer_len > 0) {
                RETURN_STRINGL(buffer, buffer_len, 0);
        }
        else {
                RETURN_EMPTY_STRING();
        }
}
/* }}} */

/* {{{ proto string oci_lob_read( int length )
   Reads particular part of a large object */
PHP_FUNCTION(oci_lob_read)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        long length;
        char *buffer;
        ub4 buffer_len;

        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &length) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Ol", &z_descriptor, oci_lob_class_entry_ptr, &length) == FAILURE) {
                        return;
                }       
        }

        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);

        if (length <= 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
                RETURN_FALSE;
        }
        
        if (php_oci_lob_read(descriptor, length, descriptor->lob_current_position, &buffer, &buffer_len TSRMLS_CC)) {
                RETURN_FALSE;
        }       
        if (buffer_len > 0) {
                RETURN_STRINGL(buffer, buffer_len, 0);
        }
        else {
                RETURN_EMPTY_STRING();
        }
}
/* }}} */

/* {{{ proto bool oci_lob_eof()
   Checks if EOF is reached */
PHP_FUNCTION(oci_lob_eof)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        ub4 lob_length;
        
        if (!getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
        
        if (!php_oci_lob_get_length(descriptor, &lob_length TSRMLS_CC) && lob_length >= 0) {
                if (lob_length == descriptor->lob_current_position) {
                        RETURN_TRUE;
                }
        }
        RETURN_FALSE;
}
/* }}} */

/* {{{ proto int oci_lob_tell()
   Tells LOB pointer position */
PHP_FUNCTION(oci_lob_tell)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        
        if (!getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
        
        RETURN_LONG(descriptor->lob_current_position);  
}
/* }}} */

/* {{{ proto bool oci_lob_rewind()
   Rewind pointer of a LOB */
PHP_FUNCTION(oci_lob_rewind)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        
        if (!getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
        
        descriptor->lob_current_position = 0;

        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_lob_seek( int offset [, int whence ])
   Moves the pointer of a LOB */
PHP_FUNCTION(oci_lob_seek)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        long offset, whence = PHP_OCI_SEEK_SET;
        ub4 lob_length;
        
        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|l", &offset, &whence) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Ol|l", &z_descriptor, oci_lob_class_entry_ptr, &offset, &whence) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
        
        
        if (php_oci_lob_get_length(descriptor, &lob_length TSRMLS_CC)) {
                RETURN_FALSE;
        }

        switch(whence) {
                case PHP_OCI_SEEK_CUR:
                        descriptor->lob_current_position += offset;
                        break;
                case PHP_OCI_SEEK_END:
                        if (descriptor->lob_size + offset >= 0) {
                                descriptor->lob_current_position = descriptor->lob_size + offset;
                        } 
                        else {
                                descriptor->lob_current_position = 0;
                        }
                        break;
                case PHP_OCI_SEEK_SET:
                default:
                                descriptor->lob_current_position = (offset > 0) ? offset : 0;
                        break;
        }
        
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto int oci_lob_size()
   Returns size of a large object */
PHP_FUNCTION(oci_lob_size)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        ub4 lob_length;
        
        if (!getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
        
        if (php_oci_lob_get_length(descriptor, &lob_length TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_LONG(lob_length);
}
/* }}} */

/* {{{ proto int oci_lob_write( string string [, int length ])
   Writes data to current position of a LOB */
PHP_FUNCTION(oci_lob_write)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        int data_len;
        long write_len = 0; 
        ub4 bytes_written;
        char *data;
        
        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &data, &data_len, &write_len) == FAILURE) {
                        return;
                }
                
                if (ZEND_NUM_ARGS() == 2) {
                        data_len = MIN(data_len, write_len);
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Os|l", &z_descriptor, oci_lob_class_entry_ptr, &data, &data_len, &write_len) == FAILURE) {
                        return;
                }

                if (ZEND_NUM_ARGS() == 3) {
                        data_len = MIN(data_len, write_len);
                }
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
        
        if (data_len <= 0) {
                RETURN_LONG(0);
        }
        
        if (php_oci_lob_write(descriptor, descriptor->lob_current_position, data, data_len, &bytes_written TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_LONG(bytes_written);
}
/* }}} */

/* {{{ proto bool oci_lob_append( object lob )
   Appends data from a LOB to another LOB */
PHP_FUNCTION(oci_lob_append)
{
        zval **tmp_dest, **tmp_from, *z_descriptor_dest = getThis(), *z_descriptor_from;
        php_oci_descriptor *descriptor_dest, *descriptor_from;
        
        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor_from, oci_lob_class_entry_ptr) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "OO", &z_descriptor_dest, oci_lob_class_entry_ptr, &z_descriptor_from, oci_lob_class_entry_ptr) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor_dest), "descriptor", sizeof("descriptor"), (void **)&tmp_dest) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property. The first argument should be valid descriptor object");
                RETURN_FALSE;
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor_from), "descriptor", sizeof("descriptor"), (void **)&tmp_from) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property. The second argument should be valid descriptor object");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp_dest, descriptor_dest);
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp_from, descriptor_from);
        
        if (php_oci_lob_append(descriptor_dest, descriptor_from TSRMLS_CC)) {
                RETURN_FALSE;
        }
        /* XXX should we increase lob_size here ? */
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_lob_truncate( [ int length ])
   Truncates a LOB */
PHP_FUNCTION(oci_lob_truncate)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        long trim_length = 0;
        ub4 ub_trim_length;
        
        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &trim_length) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|l", &z_descriptor, oci_lob_class_entry_ptr, &trim_length) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }

        if (trim_length < 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length must be greater than or equal to zero");
                RETURN_FALSE;
        }

        ub_trim_length = (ub4) trim_length;
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
        
        if (php_oci_lob_truncate(descriptor, ub_trim_length TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto int oci_lob_erase( [ int offset [, int length ] ] )
   Erases a specified portion of the internal LOB, starting at a specified offset */
PHP_FUNCTION(oci_lob_erase)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        ub4 bytes_erased;
        long offset = -1, length = -1;
        
        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|ll", &offset, &length) == FAILURE) {
                        return;
                }
        
                if (ZEND_NUM_ARGS() > 0 && offset < 0) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Offset must be greater than or equal to 0");
                        RETURN_FALSE;
                }
                
                if (ZEND_NUM_ARGS() > 1 && length < 0) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length must be greater than or equal to 0");
                        RETURN_FALSE;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|ll", &z_descriptor, oci_lob_class_entry_ptr, &offset, &length) == FAILURE) {
                        return;
                }
                        
                if (ZEND_NUM_ARGS() > 1 && offset < 0) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Offset must be greater than or equal to 0");
                        RETURN_FALSE;
                }
                
                if (ZEND_NUM_ARGS() > 2 && length < 0) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length must be greater than or equal to 0");
                        RETURN_FALSE;
                }
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }

        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
        
        if (php_oci_lob_erase(descriptor, offset, length, &bytes_erased TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_LONG(bytes_erased);
}
/* }}} */

/* {{{ proto bool oci_lob_flush( [ int flag ] )
   Flushes the LOB buffer */
PHP_FUNCTION(oci_lob_flush)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        long flush_flag = 0;
        
        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &flush_flag) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|l", &z_descriptor, oci_lob_class_entry_ptr, &flush_flag) == FAILURE) {
                        return;
                }
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
        
        if (descriptor->buffering == PHP_OCI_LOB_BUFFER_DISABLED) {
                /* buffering wasn't enabled, there is nothing to flush */
                RETURN_FALSE;
        }

        if (php_oci_lob_flush(descriptor, flush_flag TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool ocisetbufferinglob( boolean flag )
   Enables/disables buffering for a LOB */
PHP_FUNCTION(ocisetbufferinglob)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        zend_bool flag;
        
        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "b", &flag) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Ob", &z_descriptor, oci_lob_class_entry_ptr, &flag) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
        
        if (php_oci_lob_set_buffering(descriptor, flag TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool ocigetbufferinglob()
   Returns current state of buffering for a LOB */
PHP_FUNCTION(ocigetbufferinglob)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        
        if (!getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
                        return;
                }       
        }

        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
        
        if (descriptor->buffering != PHP_OCI_LOB_BUFFER_DISABLED) {
                RETURN_TRUE;
        }
        RETURN_FALSE;
}
/* }}} */

/* {{{ proto bool oci_lob_copy( object lob_to, object lob_from [, int length ] )
   Copies data from a LOB to another LOB */
PHP_FUNCTION(oci_lob_copy)
{
        zval **tmp_dest, **tmp_from, *z_descriptor_dest, *z_descriptor_from;
        php_oci_descriptor *descriptor_dest, *descriptor_from;
        long length = 0;
        
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "OO|l", &z_descriptor_dest, oci_lob_class_entry_ptr, &z_descriptor_from, oci_lob_class_entry_ptr, &length) == FAILURE) {
                return;
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor_dest), "descriptor", sizeof("descriptor"), (void **)&tmp_dest) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property. The first argument should be valid descriptor object");
                RETURN_FALSE;
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor_from), "descriptor", sizeof("descriptor"), (void **)&tmp_from) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property. The second argument should be valid descriptor object");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp_dest, descriptor_dest);
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp_from, descriptor_from);
        
        if (ZEND_NUM_ARGS() == 3 && length < 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
                RETURN_FALSE;
        }
        
        if (ZEND_NUM_ARGS() == 2) {
                /* indicate that we want to copy from the current position to the end of the LOB */
                length = -1;
        }

        if (php_oci_lob_copy(descriptor_dest, descriptor_from, length TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_lob_is_equal( object lob1, object lob2 )
   Tests to see if two LOB/FILE locators are equal */
PHP_FUNCTION(oci_lob_is_equal)
{
        zval **tmp_first, **tmp_second, *z_descriptor_first, *z_descriptor_second;
        php_oci_descriptor *descriptor_first, *descriptor_second;
        boolean is_equal;
                
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "OO", &z_descriptor_first, oci_lob_class_entry_ptr, &z_descriptor_second, oci_lob_class_entry_ptr) == FAILURE) {
                return;
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor_first), "descriptor", sizeof("descriptor"), (void **)&tmp_first) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property. The first argument should be valid descriptor object");
                RETURN_FALSE;
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor_second), "descriptor", sizeof("descriptor"), (void **)&tmp_second) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property. The second argument should be valid descriptor object");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp_first, descriptor_first);
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp_second, descriptor_second);

        if (php_oci_lob_is_equal(descriptor_first, descriptor_second, &is_equal TSRMLS_CC)) {
                RETURN_FALSE;
        }
        
        if (is_equal == TRUE) {
                RETURN_TRUE;
        }
        RETURN_FALSE;
}
/* }}} */

/* {{{ proto bool oci_lob_export([string filename [, int start [, int length]]])
   Writes a large object into a file */
PHP_FUNCTION(oci_lob_export)
{       
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        char *filename, *buffer;
        int filename_len;
        long start = -1, length = -1, block_length;
        php_stream *stream;
        ub4 lob_length;

        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ll", &filename, &filename_len, &start, &length) == FAILURE) {
                        return;
                }
        
                if (ZEND_NUM_ARGS() > 1 && start < 0) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Start parameter must be greater than or equal to 0");
                        RETURN_FALSE;
                }
                if (ZEND_NUM_ARGS() > 2 && length < 0) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than or equal to 0");
                        RETURN_FALSE;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Os|ll", &z_descriptor, oci_lob_class_entry_ptr, &filename, &filename_len, &start, &length) == FAILURE) {
                        return;
                }
                        
                if (ZEND_NUM_ARGS() > 2 && start < 0) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Start parameter must be greater than or equal to 0");
                        RETURN_FALSE;
                }
                if (ZEND_NUM_ARGS() > 3 && length < 0) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than or equal to 0");
                        RETURN_FALSE;
                }
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
        
        if (php_oci_lob_get_length(descriptor, &lob_length TSRMLS_CC)) {
                RETURN_FALSE;
        }               
        
        if (start == -1) {
                start = 0;
        }

        if (length == -1) {
                length = lob_length - descriptor->lob_current_position;
        }
        
        if (length == 0) {
                /* nothing to write, fail silently */
                RETURN_FALSE;
        }
        
        if (PG(safe_mode) && (!php_checkuid(filename, NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
                RETURN_FALSE;
        }

        if (php_check_open_basedir(filename TSRMLS_CC)) {
                RETURN_FALSE;
        }

        stream = php_stream_open_wrapper_ex(filename, "w", ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, NULL);

        block_length = PHP_OCI_LOB_BUFFER_SIZE;
        if (block_length > length) {
                block_length = length;
        }

        while(length > 0) {
                ub4 tmp_bytes_read = 0;
                if (php_oci_lob_read(descriptor, block_length, start, &buffer, &tmp_bytes_read TSRMLS_CC)) {
                        php_stream_close(stream);
                        RETURN_FALSE;
                }
                if (tmp_bytes_read && !php_stream_write(stream, buffer, tmp_bytes_read)) {
                        php_stream_close(stream);
                        efree(buffer);
                        RETURN_FALSE;
                }
                if (buffer) {
                        efree(buffer);
                }
                
                length -= tmp_bytes_read;
                descriptor->lob_current_position += tmp_bytes_read;
                start += tmp_bytes_read;

                if (block_length > length) {
                        block_length = length;
                }
        }

        php_stream_close(stream);
        RETURN_TRUE;
}
/* }}} */

#ifdef HAVE_OCI8_TEMP_LOB
/* {{{ proto bool oci_lob_write_temporary(string var [, int lob_type])
   Writes temporary blob */
PHP_FUNCTION(oci_lob_write_temporary)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        char *data;
        int data_len;
        long type = OCI_TEMP_CLOB;

        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &data, &data_len, &type) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Os|l", &z_descriptor, oci_lob_class_entry_ptr, &data, &data_len, &type) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);

        if (php_oci_lob_write_tmp(descriptor, type, data, data_len TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_lob_close()
   Closes lob descriptor */
PHP_FUNCTION(oci_lob_close)
{
        zval **tmp, *z_descriptor = getThis();
        php_oci_descriptor *descriptor;
        
        if (!getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);

        if (php_oci_lob_close(descriptor TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */
#endif 

/* {{{ proto object oci_new_descriptor(resource connection [, int type])
   Initialize a new empty descriptor LOB/FILE (LOB is default) */
PHP_FUNCTION(oci_new_descriptor)
{
        zval *z_connection;
        php_oci_connection *connection;
        php_oci_descriptor *descriptor;
        long type = OCI_DTYPE_LOB;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &z_connection, &type) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_CONNECTION(z_connection, connection);

        /* php_oci_lob_create() checks type */
        descriptor = php_oci_lob_create(connection, type TSRMLS_CC);    
        
        if (!descriptor) {
                RETURN_NULL();
        }

        object_init_ex(return_value, oci_lob_class_entry_ptr);
        add_property_resource(return_value, "descriptor", descriptor->id);
}
/* }}} */

/* {{{ proto bool oci_rollback(resource connection)
   Rollback the current context */
PHP_FUNCTION(oci_rollback)
{
        zval *z_connection;
        php_oci_connection *connection;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &z_connection) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_CONNECTION(z_connection, connection);

        if (connection->descriptors) {
                zend_hash_destroy(connection->descriptors);
                efree(connection->descriptors);
                connection->descriptors = NULL;
        }

        if (php_oci_connection_rollback(connection TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_commit(resource connection)
   Commit the current context */
PHP_FUNCTION(oci_commit)
{
        zval *z_connection;
        php_oci_connection *connection;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &z_connection) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_CONNECTION(z_connection, connection);

        if (connection->descriptors) {
                zend_hash_destroy(connection->descriptors);
                efree(connection->descriptors);
                connection->descriptors = NULL;
        }
        
        if (php_oci_connection_commit(connection TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto string oci_field_name(resource stmt, int col)
   Tell the name of a column */
PHP_FUNCTION(oci_field_name)
{
        php_oci_out_column *column;

        if ( ( column = php_oci_statement_get_column_helper(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0) ) ) {
                RETURN_STRINGL(column->name, column->name_len, 1);
        }
        RETURN_FALSE;
}
/* }}} */

/* {{{ proto int oci_field_size(resource stmt, int col)
   Tell the maximum data size of a column */
PHP_FUNCTION(oci_field_size)
{
        php_oci_out_column *column;

        if ( ( column = php_oci_statement_get_column_helper(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0) ) ) {
                /* Handle data type of LONG */
                if (column->data_type == SQLT_LNG){
                        RETURN_LONG(column->storage_size4);
                }
                RETURN_LONG(column->data_size);
        }
        RETURN_FALSE;
}
/* }}} */

/* {{{ proto int oci_field_scale(resource stmt, int col)
   Tell the scale of a column */
PHP_FUNCTION(oci_field_scale)
{
        php_oci_out_column *column;

        if ( ( column = php_oci_statement_get_column_helper(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0) ) ) {
                RETURN_LONG(column->scale);
        }
        RETURN_FALSE;
}
/* }}} */

/* {{{ proto int oci_field_precision(resource stmt, int col)
   Tell the precision of a column */
PHP_FUNCTION(oci_field_precision)
{
        php_oci_out_column *column;

        if ( ( column = php_oci_statement_get_column_helper(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0) ) ) {
                RETURN_LONG(column->precision);
        }
        RETURN_FALSE;
}
/* }}} */

/* {{{ proto mixed oci_field_type(resource stmt, int col)
   Tell the data type of a column */
PHP_FUNCTION(oci_field_type)
{
        php_oci_out_column *column;

        column = php_oci_statement_get_column_helper(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);

        if (!column) {
                RETURN_FALSE;
        }
        
        switch (column->data_type) {
#ifdef SQLT_TIMESTAMP
                case SQLT_TIMESTAMP:
                        RETVAL_STRING("TIMESTAMP",1);
                        break;
#endif
#ifdef SQLT_TIMESTAMP_TZ
                case SQLT_TIMESTAMP_TZ:
                        RETVAL_STRING("TIMESTAMP WITH TIMEZONE",1);
                        break;
#endif
#ifdef SQLT_TIMESTAMP_LTZ
                case SQLT_TIMESTAMP_LTZ:
                        RETVAL_STRING("TIMESTAMP WITH LOCAL TIMEZONE",1);
                        break;
#endif
#ifdef SQLT_INTERVAL_YM
                case SQLT_INTERVAL_YM:
                        RETVAL_STRING("INTERVAL YEAR TO MONTH",1);
                        break;
#endif
#ifdef SQLT_INTERVAL_DS
                case SQLT_INTERVAL_DS:
                        RETVAL_STRING("INTERVAL DAY TO SECOND",1);
                        break;
#endif
                case SQLT_DAT:
                        RETVAL_STRING("DATE",1);
                        break;
                case SQLT_NUM:
                        RETVAL_STRING("NUMBER",1);
                        break;
                case SQLT_LNG:
                        RETVAL_STRING("LONG",1);
                        break;
                case SQLT_BIN:
                        RETVAL_STRING("RAW",1);
                        break;
                case SQLT_LBI:
                        RETVAL_STRING("LONG RAW",1);
                        break;
                case SQLT_CHR:
                        RETVAL_STRING("VARCHAR2",1);
                        break;
                case SQLT_RSET:
                        RETVAL_STRING("REFCURSOR",1);
                        break;
                case SQLT_AFC:
                        RETVAL_STRING("CHAR",1);
                        break;
                case SQLT_BLOB:
                        RETVAL_STRING("BLOB",1);
                        break;
                case SQLT_CLOB:
                        RETVAL_STRING("CLOB",1);
                        break;
                case SQLT_BFILE:
                        RETVAL_STRING("BFILE",1);
                        break;
                case SQLT_RDD:
                        RETVAL_STRING("ROWID",1);
                        break;
                default:
                        RETVAL_LONG(column->data_type);
        }
}
/* }}} */

/* {{{ proto int oci_field_type_raw(resource stmt, int col)
   Tell the raw oracle data type of a column */
PHP_FUNCTION(oci_field_type_raw)
{
        php_oci_out_column *column;

        column = php_oci_statement_get_column_helper(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); 
        if (column) {
                RETURN_LONG(column->data_type);
        }
        RETURN_FALSE;
}
/* }}} */

/* {{{ proto bool oci_field_is_null(resource stmt, int col)
   Tell whether a column is NULL */
PHP_FUNCTION(oci_field_is_null)
{
        php_oci_out_column *column;

        if ( ( column = php_oci_statement_get_column_helper(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0) ) ) {
                if (column->indicator == -1) {
                        RETURN_TRUE;
                }
        }
        RETURN_FALSE;
}
/* }}} */

/* {{{ proto void oci_internal_debug(int onoff)
   Toggle internal debugging output for the OCI extension */
PHP_FUNCTION(oci_internal_debug)
{
        zend_bool on_off;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "b", &on_off) == FAILURE) {
                return;
        }
        OCI_G(debug_mode) = on_off;
}
/* }}} */

/* {{{ proto bool oci_execute(resource stmt [, int mode])
   Execute a parsed statement */
PHP_FUNCTION(oci_execute)
{
        zval *z_statement;
        php_oci_statement *statement;
        long mode = OCI_COMMIT_ON_SUCCESS;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &z_statement, &mode) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);

        if (php_oci_statement_execute(statement, mode TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_cancel(resource stmt)
   Cancel reading from a cursor */
PHP_FUNCTION(oci_cancel)
{
        zval *z_statement;
        php_oci_statement *statement;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &z_statement) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);

        if (php_oci_statement_cancel(statement TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_fetch(resource stmt)
   Prepare a new row of data for reading */
PHP_FUNCTION(oci_fetch)
{
        zval *z_statement;
        php_oci_statement *statement;
        ub4 nrows = 1; /* only one row at a time is supported for now */

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &z_statement) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);

        if (php_oci_statement_fetch(statement, nrows TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto int ocifetchinto(resource stmt, array &output [, int mode])
   Fetch a row of result data into an array */
PHP_FUNCTION(ocifetchinto)
{
        php_oci_fetch_row(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_OCI_NUM, 3);
}
/* }}} */

/* {{{ proto int oci_fetch_all(resource stmt, array &output[, int skip[, int maxrows[, int flags]]])
   Fetch all rows of result data into an array */
PHP_FUNCTION(oci_fetch_all)
{
        zval *z_statement, *array, *element, *tmp;
        php_oci_statement *statement;
        php_oci_out_column **columns;
        zval ***outarrs;
        ub4 nrows = 1;
        int i;
        long rows = 0, flags = 0, skip = 0, maxrows = -1;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rz/|lll", &z_statement, &array, &skip, &maxrows, &flags) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);

        zval_dtor(array);
        array_init(array);

        while (skip--) {
                if (php_oci_statement_fetch(statement, nrows TSRMLS_CC)) {
                        RETURN_LONG(0);
                }
        }

        if (flags & PHP_OCI_FETCHSTATEMENT_BY_ROW) {
                columns = safe_emalloc(statement->ncolumns, sizeof(php_oci_out_column *), 0);

                for (i = 0; i < statement->ncolumns; i++) {
                        columns[ i ] = php_oci_statement_get_column(statement, i + 1, NULL, 0 TSRMLS_CC);
                }

                while (!php_oci_statement_fetch(statement, nrows TSRMLS_CC)) {
                        zval *row;
                        
                        MAKE_STD_ZVAL(row);
                        array_init(row);

                        for (i = 0; i < statement->ncolumns; i++) {
                                MAKE_STD_ZVAL(element);
                                php_oci_column_to_zval(columns[ i ], element, PHP_OCI_RETURN_LOBS TSRMLS_CC);

                                if (flags & PHP_OCI_NUM) {
                                        zend_hash_next_index_insert(Z_ARRVAL_P(row), &element, sizeof(zval*), NULL);
                                } else { /* default to ASSOC */
                                        zend_hash_update(Z_ARRVAL_P(row), columns[ i ]->name, columns[ i ]->name_len+1, &element, sizeof(zval*), NULL);
                                }
                        }

                        zend_hash_next_index_insert(Z_ARRVAL_P(array), &row, sizeof(zval*), NULL);
                        rows++;

                        if (maxrows != -1 && rows == maxrows) {
                                php_oci_statement_cancel(statement TSRMLS_CC);
                                break;
                        }
                }
                efree(columns);

        } else { /* default to BY_COLUMN */
                columns = safe_emalloc(statement->ncolumns, sizeof(php_oci_out_column *), 0);
                outarrs = safe_emalloc(statement->ncolumns, sizeof(zval*), 0);
                
                if (flags & PHP_OCI_NUM) {
                        for (i = 0; i < statement->ncolumns; i++) {
                                columns[ i ] = php_oci_statement_get_column(statement, i + 1, NULL, 0 TSRMLS_CC);
                                
                                MAKE_STD_ZVAL(tmp);
                                array_init(tmp);
                                zend_hash_next_index_insert(Z_ARRVAL_P(array), &tmp, sizeof(zval*), (void **) &(outarrs[ i ]));
                        }
                } else { /* default to ASSOC */
                        for (i = 0; i < statement->ncolumns; i++) {
                                columns[ i ] = php_oci_statement_get_column(statement, i + 1, NULL, 0 TSRMLS_CC);
                                
                                MAKE_STD_ZVAL(tmp);
                                array_init(tmp);
                                zend_hash_update(Z_ARRVAL_P(array), columns[ i ]->name, columns[ i ]->name_len+1, (void *) &tmp, sizeof(zval*), (void **) &(outarrs[ i ]));
                        }
                }

                while (!php_oci_statement_fetch(statement, nrows TSRMLS_CC)) {
                        for (i = 0; i < statement->ncolumns; i++) {
                                MAKE_STD_ZVAL(element);
                                php_oci_column_to_zval(columns[ i ], element, PHP_OCI_RETURN_LOBS TSRMLS_CC);
                                zend_hash_index_update((*(outarrs[ i ]))->value.ht, rows, (void *)&element, sizeof(zval*), NULL);
                        }

                        rows++;

                        if (maxrows != -1 && rows == maxrows) {
                                php_oci_statement_cancel(statement TSRMLS_CC);
                                break;
                        }
                }
                
                efree(columns);
                efree(outarrs);
        } 

        RETURN_LONG(rows);
}
/* }}} */

/* {{{ proto object oci_fetch_object( resource stmt )
   Fetch a result row as an object */
PHP_FUNCTION(oci_fetch_object)
{
        php_oci_fetch_row(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_OCI_ASSOC | PHP_OCI_RETURN_NULLS, 2);

        if (Z_TYPE_P(return_value) == IS_ARRAY) {
                object_and_properties_init(return_value, ZEND_STANDARD_CLASS_DEF_PTR, Z_ARRVAL_P(return_value));
        }
}
/* }}} */

/* {{{ proto array oci_fetch_row( resource stmt )
   Fetch a result row as an enumerated array */
PHP_FUNCTION(oci_fetch_row)
{
        php_oci_fetch_row(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_OCI_NUM | PHP_OCI_RETURN_NULLS, 1);
}
/* }}} */

/* {{{ proto array oci_fetch_assoc( resource stmt )
   Fetch a result row as an associative array */
PHP_FUNCTION(oci_fetch_assoc)
{
        php_oci_fetch_row(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_OCI_ASSOC | PHP_OCI_RETURN_NULLS, 1);
}
/* }}} */

/* {{{ proto array oci_fetch_array( resource stmt [, int mode ])
   Fetch a result row as an array */
PHP_FUNCTION(oci_fetch_array)
{
        php_oci_fetch_row(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_OCI_BOTH | PHP_OCI_RETURN_NULLS, 2);
}
/* }}} */

/* {{{ proto bool oci_free_statement(resource stmt)
   Free all resources associated with a statement */
PHP_FUNCTION(oci_free_statement)
{
        zval *z_statement;
        php_oci_statement *statement;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &z_statement) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);

        zend_list_delete(statement->id);
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_close(resource connection)
   Disconnect from database */
PHP_FUNCTION(oci_close)
{
        zval *z_connection;
        php_oci_connection *connection;

        if (OCI_G(old_oci_close_semantics)) {
                /* do nothing to keep BC */
                return;
        }
        
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &z_connection) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_CONNECTION(z_connection, connection);
        zend_list_delete(connection->rsrc_id);
        ZVAL_NULL(z_connection);
        
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto resource oci_new_connect(string user, string pass [, string db])
   Connect to an Oracle database and log on. Returns a new session. */
PHP_FUNCTION(oci_new_connect)
{
        php_oci_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 1);
}
/* }}} */

/* {{{ proto resource oci_connect(string user, string pass [, string db [, string charset [, int session_mode ]])
   Connect to an Oracle database and log on. Returns a new session. */
PHP_FUNCTION(oci_connect)
{
        php_oci_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 0);
}
/* }}} */

/* {{{ proto resource oci_pconnect(string user, string pass [, string db [, string charset ]])
   Connect to an Oracle database using a persistent connection and log on. Returns a new session. */
PHP_FUNCTION(oci_pconnect)
{
        php_oci_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1, 0);
}
/* }}} */

/* {{{ proto array oci_error([resource stmt|connection|global])
   Return the last error of stmt|connection|global. If no error happened returns false. */
PHP_FUNCTION(oci_error)
{
        zval *arg;
        php_oci_statement *statement;
        php_oci_connection *connection;
        text *errbuf;
        sb4 errcode = 0;
        sword error = OCI_SUCCESS;
        dvoid *errh = NULL;
#ifdef HAVE_OCI8_ATTR_STATEMENT
        ub2 error_offset = 0;
        text *sqltext = NULL;
#endif

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &arg) == FAILURE) {
                return;
        }

        if (ZEND_NUM_ARGS() > 0) {
                statement = (php_oci_statement *) zend_fetch_resource(&arg TSRMLS_CC, -1, NULL, NULL, 1, le_statement);
        
                if (statement) {
                        errh = statement->err;
                        error = statement->errcode;

#ifdef HAVE_OCI8_ATTR_STATEMENT
                        if (php_oci_fetch_sqltext_offset(statement, &sqltext, &error_offset TSRMLS_CC)) {
                                RETURN_FALSE;
                        }
#endif
                        goto go_out;
                }

                connection = (php_oci_connection *) zend_fetch_resource(&arg TSRMLS_CC, -1, NULL, NULL, 1, le_connection);
                if (connection) {
                        errh = connection->err;
                        error = connection->errcode;
                        goto go_out;
                }

                connection = (php_oci_connection *) zend_fetch_resource(&arg TSRMLS_CC, -1, NULL, NULL, 1, le_pconnection);
                if (connection) {
                        errh = connection->err;
                        error = connection->errcode;
                        goto go_out;
                }
        } else {
                errh = OCI_G(err);
                error = OCI_G(errcode);
        }

go_out:
        if (error == OCI_SUCCESS) { /* no error set in the handle */
                RETURN_FALSE;
        }

        if (!errh) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "OCIError: unable to find error handle");
                RETURN_FALSE;
        }

        errcode = php_oci_fetch_errmsg(errh, &errbuf TSRMLS_CC);

        if (errcode) {
                array_init(return_value);
                add_assoc_long(return_value, "code", errcode);
                add_assoc_string(return_value, "message", (char*) errbuf, 0);
#ifdef HAVE_OCI8_ATTR_STATEMENT
                add_assoc_long(return_value, "offset", error_offset);
                add_assoc_string(return_value, "sqltext", sqltext ? (char *) sqltext : "", 1);
#endif
        } else {
                RETURN_FALSE;
        }
}
/* }}} */

/* {{{ proto int oci_num_fields(resource stmt)
   Return the number of result columns in a statement */
PHP_FUNCTION(oci_num_fields)
{
        zval *z_statement;
        php_oci_statement *statement;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &z_statement) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);

        RETURN_LONG(statement->ncolumns);
}
/* }}} */

/* {{{ proto resource oci_parse(resource connection, string query)
   Parse a query and return a statement */
PHP_FUNCTION(oci_parse)
{
        zval *z_connection;
        php_oci_connection *connection;
        php_oci_statement *statement;
        char *query;
        int query_len;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &z_connection, &query, &query_len) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_CONNECTION(z_connection, connection);

        statement = php_oci_statement_create(connection, query, query_len TSRMLS_CC);

        if (statement) {
                RETURN_RESOURCE(statement->id);
        }
        RETURN_FALSE;
}
/* }}} */

/* {{{ proto bool oci_set_prefetch(resource stmt, int prefetch_rows)
  Sets the number of rows to be prefetched on execute to prefetch_rows for stmt */
PHP_FUNCTION(oci_set_prefetch)
{
        zval *z_statement;
        php_oci_statement *statement;
        long size;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &z_statement, &size) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);

        if (php_oci_statement_set_prefetch(statement, size TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_password_change(resource connection, string username, string old_password, string new_password)
  Changes the password of an account */
PHP_FUNCTION(oci_password_change)
{
        zval *z_connection;
        text *user, *pass_old, *pass_new, *dbname;
        int user_len, pass_old_len, pass_new_len, dbname_len;
        php_oci_connection *connection;

        /*  Disable in Safe Mode  */
        if (PG(safe_mode)) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "is disabled in Safe Mode");
                RETURN_FALSE;
        }

        if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "rsss", &z_connection, &user, &user_len, &pass_old, &pass_old_len, &pass_new, &pass_new_len) == SUCCESS) {
                PHP_OCI_ZVAL_TO_CONNECTION(z_connection, connection);

                if (!user_len) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "username cannot be empty");
                        RETURN_FALSE;
                }
                if (!pass_old_len) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "old password cannot be empty");
                        RETURN_FALSE;
                }
                if (!pass_new_len) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "new password cannot be empty");
                        RETURN_FALSE;
                }

                if (php_oci_password_change(connection, (char *)user, user_len, (char *)pass_old, pass_old_len, (char *)pass_new, pass_new_len TSRMLS_CC)) {
                        RETURN_FALSE;
                }
                RETURN_TRUE;
        } else if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "ssss", &dbname, &dbname_len, &user, &user_len, &pass_old, &pass_old_len, &pass_new, &pass_new_len) == SUCCESS) {

                if (!user_len) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "username cannot be empty");
                        RETURN_FALSE;
                }
                if (!pass_old_len) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "old password cannot be empty");
                        RETURN_FALSE;
                }
                if (!pass_new_len) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "new password cannot be empty");
                        RETURN_FALSE;
                }

                connection = php_oci_do_connect_ex((char *)user, user_len, (char *)pass_old, pass_old_len, (char *)pass_new, pass_new_len, (char *)dbname, dbname_len, NULL, OCI_DEFAULT, 0, 0 TSRMLS_CC);
                if (!connection) {
                        RETURN_FALSE;
                }
                RETURN_RESOURCE(connection->rsrc_id);
        }
        WRONG_PARAM_COUNT;
}
/* }}} */

/* {{{ proto resource oci_new_cursor(resource connection)
   Return a new cursor (Statement-Handle) - use this to bind ref-cursors! */
PHP_FUNCTION(oci_new_cursor)
{
        zval *z_connection;
        php_oci_connection *connection;
        php_oci_statement *statement;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &z_connection) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_CONNECTION(z_connection, connection);

        statement = php_oci_statement_create(connection, NULL, 0 TSRMLS_CC);
        
        if (statement) {
                RETURN_RESOURCE(statement->id);
        }
        RETURN_FALSE;
}
/* }}} */

/* {{{ proto string oci_result(resource stmt, mixed column)
   Return a single column of result data */
PHP_FUNCTION(oci_result)
{
        php_oci_out_column *column;
        
        column = php_oci_statement_get_column_helper(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
        if(column) {
                php_oci_column_to_zval(column, return_value, 0 TSRMLS_CC);
        }
        else {
                RETURN_FALSE;
        }
}
/* }}} */

/* {{{ proto string oci_server_version(resource connection)
   Return a string containing server version information */
PHP_FUNCTION(oci_server_version)
{
        zval *z_connection;
        php_oci_connection *connection;
        char *version = NULL;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &z_connection) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_CONNECTION(z_connection, connection);

        if (php_oci_server_get_version(connection, &version TSRMLS_CC)) {
                RETURN_FALSE;
        }
        
        RETURN_STRING(version, 0);
}
/* }}} */

/* {{{ proto string oci_statement_type(resource stmt)
   Return the query type of an OCI statement */
PHP_FUNCTION(oci_statement_type)
{
        zval *z_statement;
        php_oci_statement *statement;
        ub2 type;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &z_statement) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);

        if (php_oci_statement_get_type(statement, &type TSRMLS_CC)) {
                RETURN_FALSE;
        }

        switch (type) {
                case OCI_STMT_SELECT:
                        RETVAL_STRING("SELECT",1);
                        break;
                case OCI_STMT_UPDATE:
                        RETVAL_STRING("UPDATE",1);
                        break;
                case OCI_STMT_DELETE:
                        RETVAL_STRING("DELETE",1);
                        break;
                case OCI_STMT_INSERT:
                        RETVAL_STRING("INSERT",1);
                        break;
                case OCI_STMT_CREATE:
                        RETVAL_STRING("CREATE",1);
                        break;
                case OCI_STMT_DROP:
                        RETVAL_STRING("DROP",1);
                        break;
                case OCI_STMT_ALTER:
                        RETVAL_STRING("ALTER",1);
                        break;
                case OCI_STMT_BEGIN:
                        RETVAL_STRING("BEGIN",1);
                        break;
                case OCI_STMT_DECLARE:
                        RETVAL_STRING("DECLARE",1);
                        break;
                case OCI_STMT_CALL:
                        RETVAL_STRING("CALL",1);
                        break;
                default:
                        RETVAL_STRING("UNKNOWN",1);
        }
}
/* }}} */

/* {{{ proto int oci_num_rows(resource stmt)
   Return the row count of an OCI statement */
PHP_FUNCTION(oci_num_rows)
{
        zval *z_statement;
        php_oci_statement *statement;
        ub4 rowcount;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &z_statement) == FAILURE) {
                return;
        }

        PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);

        if (php_oci_statement_get_numrows(statement, &rowcount TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_LONG(rowcount);
}
/* }}} */

#ifdef PHP_OCI8_HAVE_COLLECTIONS
/* {{{ proto bool oci_free_collection()
   Deletes collection object*/
PHP_FUNCTION(oci_free_collection)
{
        zval **tmp, *z_collection = getThis();
        php_oci_collection *collection;

        if (!getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_collection, oci_coll_class_entry_ptr) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_collection), "collection", sizeof("collection"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find collection property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_COLLECTION(*tmp, collection);

        zend_list_delete(collection->id);
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_collection_append(string value)
   Append an object to the collection */
PHP_FUNCTION(oci_collection_append)
{
        zval **tmp, *z_collection = getThis();
        php_oci_collection *collection;
        char *value;
        int value_len;

        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &value, &value_len) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Os", &z_collection, oci_coll_class_entry_ptr, &value, &value_len) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_collection), "collection", sizeof("collection"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find collection property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_COLLECTION(*tmp, collection);

        if (php_oci_collection_append(collection, value, value_len TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto string oci_collection_element_get(int ndx)
   Retrieve the value at collection index ndx */
PHP_FUNCTION(oci_collection_element_get)
{
        zval **tmp, *z_collection = getThis();
        php_oci_collection *collection;
        long element_index;
        zval *value;

        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &element_index) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Ol", &z_collection, oci_coll_class_entry_ptr, &element_index) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_collection), "collection", sizeof("collection"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find collection property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_COLLECTION(*tmp, collection);

        if (php_oci_collection_element_get(collection, element_index, &value TSRMLS_CC)) {
                RETURN_FALSE;
        }
        
        *return_value = *value;
        zval_copy_ctor(return_value);
        zval_ptr_dtor(&value);
}
/* }}} */

/* {{{ proto bool oci_collection_assign(object from)
   Assign a collection from another existing collection */
PHP_FUNCTION(oci_collection_assign)
{
        zval **tmp_dest, **tmp_from, *z_collection_dest = getThis(), *z_collection_from;
        php_oci_collection *collection_dest, *collection_from;

        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_collection_from, oci_coll_class_entry_ptr) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "OO", &z_collection_dest, oci_coll_class_entry_ptr, &z_collection_from, oci_coll_class_entry_ptr) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_collection_dest), "collection", sizeof("collection"), (void **)&tmp_dest) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find collection property. The first argument should be valid collection object");
                RETURN_FALSE;
        }

        if (zend_hash_find(Z_OBJPROP_P(z_collection_from), "collection", sizeof("collection"), (void **)&tmp_from) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find collection property. The second argument should be valid collection object");
                RETURN_FALSE;
        }

        PHP_OCI_ZVAL_TO_COLLECTION(*tmp_dest, collection_dest);
        PHP_OCI_ZVAL_TO_COLLECTION(*tmp_from, collection_from);

        if (php_oci_collection_assign(collection_dest, collection_from TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool oci_collection_element_assign(int index, string val)
   Assign element val to collection at index ndx */
PHP_FUNCTION(oci_collection_element_assign)
{
        zval **tmp, *z_collection = getThis();
        php_oci_collection *collection;
        int value_len;
        long element_index;
        char *value;

        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ls", &element_index, &value, &value_len) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Ols", &z_collection, oci_coll_class_entry_ptr, &element_index, &value, &value_len) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_collection), "collection", sizeof("collection"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find collection property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_COLLECTION(*tmp, collection);

        if (php_oci_collection_element_set(collection, element_index, value, value_len TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto int oci_collection_size()
   Return the size of a collection */
PHP_FUNCTION(oci_collection_size)
{
        zval **tmp, *z_collection = getThis();
        php_oci_collection *collection;
        sb4 size = 0;
        
        if (!getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_collection, oci_coll_class_entry_ptr) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_collection), "collection", sizeof("collection"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find collection property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_COLLECTION(*tmp, collection);

        if (php_oci_collection_size(collection, &size TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_LONG(size);
}
/* }}} */

/* {{{ proto int oci_collection_max()
   Return the max value of a collection. For a varray this is the maximum length of the array */
PHP_FUNCTION(oci_collection_max)
{
        zval **tmp, *z_collection = getThis();
        php_oci_collection *collection;
        long max;
        
        if (!getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_collection, oci_coll_class_entry_ptr) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_collection), "collection", sizeof("collection"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find collection property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_COLLECTION(*tmp, collection);

        if (php_oci_collection_max(collection, &max TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_LONG(max);
}
/* }}} */

/* {{{ proto bool oci_collection_trim(int num)
   Trim num elements from the end of a collection */
PHP_FUNCTION(oci_collection_trim)
{
        zval **tmp, *z_collection = getThis();
        php_oci_collection *collection;
        long trim_size;

        if (getThis()) {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &trim_size) == FAILURE) {
                        return;
                }
        }
        else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Ol", &z_collection, oci_coll_class_entry_ptr, &trim_size) == FAILURE) {
                        return;
                }       
        }
        
        if (zend_hash_find(Z_OBJPROP_P(z_collection), "collection", sizeof("collection"), (void **)&tmp) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find collection property");
                RETURN_FALSE;
        }
        
        PHP_OCI_ZVAL_TO_COLLECTION(*tmp, collection);

        if (php_oci_collection_trim(collection, trim_size TSRMLS_CC)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;    
}
/* }}} */

/* {{{ proto object oci_new_collection(resource connection, string tdo [, string schema])
   Initialize a new collection */
PHP_FUNCTION(oci_new_collection)
{
        zval *z_connection;
        php_oci_connection *connection;
        php_oci_collection *collection;
        char *tdo, *schema = NULL;
        int tdo_len, schema_len = 0;
        
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|s", &z_connection, &tdo, &tdo_len, &schema, &schema_len) == FAILURE) {
                return;
        }
    
        PHP_OCI_ZVAL_TO_CONNECTION(z_connection, connection);
        
        if ( (collection = php_oci_collection_create(connection, tdo, tdo_len, schema, schema_len TSRMLS_CC)) ) {
                object_init_ex(return_value, oci_coll_class_entry_ptr);
                add_property_resource(return_value, "collection", collection->id);
        }
        else {
                RETURN_FALSE;
        }
}
/* }}} */

#endif

#endif /* HAVE_OCI8 */

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 * End:
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