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The libxml functions and constants are used together with SimpleXML, XSLT and DOM functions.
These functions require the libxml package. Download at xmlsoft.org(opens in new window or tab).
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 |
| 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 |
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