PHP libxml Functions

PHP libxml Introduction

The libxml functions and constants are used together with SimpleXML, XSLT and DOM functions.

Installation

These functions require the libxml package. Download at xmlsoft.org

PHP libxml Functions

PHP: indicates the earliest version of PHP that supports the function.

Function	Description
libxml_clear_errors()	Clears the libxml error buffer
libxml_disable_entity_loader()	Enables the ability to load external entities
libxml_get_errors()	Gets the errors from the the libxml error buffer
libxml_get_last_error()	Gets the last error from the the libxml error buffer
libxml_set_external_entity_loader()	Changes the default external entity loader
libxml_set_streams_context()	Sets the streams context for the next libxml document load or write
libxml_use_internal_errors()	Disables the standard libxml errors and enables user error handling

PHP Predefined libxml Constants

Constant	Description
LIBXML_BIGLINES	Make line numbers greater than 65535 to be reported correctly
LIBXML_COMPACT	Set small nodes allocation optimization. This may improve the application performance
LIBXML_DTDATTR	Set default DTD attributes
LIBXML_DTDLOAD	Load external subset
LIBXML_DTDVALID	Validate with the DTD
LIBXML_HTML_NOIMPLIED	Set HTML_PARSE_NOIMPLIED flag. This turns off automatic adding of implied html/body elements
LIBXML_HTML_NODEFDTD	Set HTML_PARSE_NODEFDTD flag. This prevents a default doctype to be added, if no doctype is found
LIBXML_NOBLANKS	Remove blank nodes
LIBXML_NOCDATA	Set CDATA as text nodes
LIBXML_NOEMPTYTAG	Change empty tags (e.g. <br/> to <br></br>), only available in the DOMDocument->save() and DOMDocument->saveXML() functions
LIBXML_NOENT	Substitute entities
LIBXML_NOERROR	Do not show error reports
LIBXML_NONET	Stop network access while loading documents
LIBXML_NOWARNING	Do not show warning reports
LIBXML_NOXMLDECL	Drop the XML declaration when saving a document
LIBXML_NSCLEAN	Remove excess namespace declarations
LIBXML_PARSEHUGE	Set XML_PARSE_HUGE flag. This relaxes any hardcoded limit from the parser, such as maximum depth of a document or the size of text nodes
LIBXML_PEDANTIC	Set XML_PARSE_PEDANTIC flag. This enables pedantic error reporting
LIBXML_XINCLUDE	Use XInclude substitution
LIBXML_ERR_ERROR	Get recoverable errors
LIBXML_ERR_FATAL	Get fatal errors
LIBXML_ERR_NONE	Get no errors
LIBXML_ERR_WARNING	Get simple warnings
LIBXML_VERSION	Get libxml version (e.g. 20605 or 20617)
LIBXML_DOTTED_VERSION	Get dotted libxml version (e.g. 2.6.5 or 2.6.17)
LIBXML_SCHEMA_CREATE	Create default or fixed value nodes during XSD schema validation

❮ Previous Next ❯