&reftitle.constants; &extension.constants; LIBXML_BIGLINES (int) Allows line numbers greater than 65535 to be reported correctly. Only available as of PHP 7.0.0 with Libxml >= 2.9.0 LIBXML_COMPACT (int) Activate small nodes allocation optimization. This may speed up your application without needing to change the code. Only available in Libxml >= 2.6.21 LIBXML_DTDATTR (int) Default DTD attributes LIBXML_DTDLOAD (int) Load the external subset LIBXML_DTDVALID (int) Validate with the DTD Enabling validating the DTD may facilitate XML External Entity (XXE) attacks. LIBXML_HTML_NOIMPLIED (int) Sets HTML_PARSE_NOIMPLIED flag, which turns off the automatic adding of implied html/body... elements. Only available in Libxml >= 2.7.7 (as of PHP >= 5.4.0) LIBXML_HTML_NODEFDTD (int) Sets HTML_PARSE_NODEFDTD flag, which prevents a default doctype being added when one is not found. Only available in Libxml >= 2.7.8 (as of PHP >= 5.4.0) LIBXML_LOADED_VERSION (string) Version of libxml's core parser module. LIBXML_NOBLANKS (int) Remove blank nodes LIBXML_NOCDATA (int) Merge CDATA as text nodes LIBXML_NOEMPTYTAG (int) Expand empty tags (e.g. <br/> to <br></br>) This option is currently just available in the and functions. LIBXML_NOENT (int) Substitute entities Enabling entity substitution may facilitate XML External Entity (XXE) attacks. LIBXML_NOERROR (int) Suppress error reports LIBXML_NONET (int) Disable network access when loading documents LIBXML_NOWARNING (int) Suppress warning reports LIBXML_NOXMLDECL (int) Drop the XML declaration when saving a document Only available in Libxml >= 2.6.21 LIBXML_NSCLEAN (int) Remove redundant namespace declarations LIBXML_PARSEHUGE (int) Sets XML_PARSE_HUGE flag, which relaxes any hardcoded limit from the parser. This affects limits like maximum depth of a document or the entity recursion, as well as limits of the size of text nodes. Only available in Libxml >= 2.7.0 (as of PHP >= 5.3.2 and PHP >= 5.2.12) LIBXML_PEDANTIC (int) Sets XML_PARSE_PEDANTIC flag, which enables pedantic error reporting. Available as of PHP >= 5.4.0 LIBXML_XINCLUDE (int) Implement XInclude substitution LIBXML_ERR_ERROR (int) A recoverable error LIBXML_ERR_FATAL (int) A fatal error LIBXML_ERR_NONE (int) No errors LIBXML_ERR_WARNING (int) A simple warning LIBXML_VERSION (int) libxml version like 20605 or 20617 LIBXML_DOTTED_VERSION (string) libxml version like 2.6.5 or 2.6.17 LIBXML_SCHEMA_CREATE (int) Create default/fixed value nodes during XSD schema validation Only available in Libxml >= 2.6.14 (as of PHP >= 5.5.2)