PHP libxml Functions

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# 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 | PHP
--- | --- | ---
libxml_clear_errors() | Clear libxml error buffer | 5
libxml_get_errors() | Retrieve array of errors | 5
libxml_get_last_error() | Retrieve last error from libxml | 5
libxml_set_streams_context() | Set the streams context for the next libxml document load or write | 5
libxml_use_internal_errors() | Disable libxml errors and allow user to fetch error information as needed | 5

## PHP libxml Constants

Function | Description | PHP
--- | --- | ---
LIBXML_COMPACT | Set small nodes allocation optimization. This may improve the application performance | 5
LIBXML_DTDATTR | Set default DTD attributes | 5
LIBXML_DTDLOAD | Load external subset | 5
LIBXML_DTDVALID | Validate with the DTD | 5
LIBXML_NOBLANKS | Remove blank nodes | 5
LIBXML_NOCDATA | Set CDATA as text nodes | 5
LIBXML_NOEMPTYTAG | Change empty tags (e.g. <br/> to <br></br>), only available in the DOMDocument->save() and DOMDocument->saveXML() functions | 5
LIBXML_NOENT | Substitute entities | 5
LIBXML_NOERROR | Do not show error reports | 5
LIBXML_NONET | Stop network access while loading documents | 5
LIBXML_NOWARNING | Do not show warning reports | 5
LIBXML_NOXMLDECL | Drop the XML declaration when saving a document | 5
LIBXML_NSCLEAN | Remove excess namespace declarations | 5
LIBXML_XINCLUDE | Use XInclude substitution | 5
LIBXML_ERR_ERROR | Get recoverable errors | 5
LIBXML_ERR_FATAL | Get fatal errors | 5
LIBXML_ERR_NONE | Get no errors | 5
LIBXML_ERR_WARNING | Get simple warnings | 5
LIBXML_VERSION | Get libxml version (e.g. 20605 or 20617) | 5
LIBXML_DOTTED_VERSION | Get dotted libxml version (e.g. 2.6.5 or 2.6.17) | 5

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