PHP Libxml 函数

PHP libxml 简介

libxml 函数和常量与 SimpleXML、XSLT 和 DOM 函数一起使用。

安装

PHP libxml 函数

PHP：表示支持该功能的最早的PHP版本。

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 预定义 libxml 常量

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