php_libxml_issue_error   50 ext/dom/domexception.c 		php_libxml_issue_error(E_WARNING, error_message TSRMLS_CC);
php_libxml_issue_error   93 ext/libxml/php_libxml.h PHP_LIBXML_API void php_libxml_issue_error(int level, const char *msg TSRMLS_DC);