php_exec 197 ext/standard/exec.c ret = php_exec(mode, cmd, NULL, return_value TSRMLS_CC); php_exec 203 ext/standard/exec.c ret = php_exec(2, cmd, ret_array, return_value TSRMLS_CC); php_exec 39 ext/standard/exec.h PHPAPI int php_exec(int type, char *cmd, zval *array, zval *return_value TSRMLS_DC);