Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

XML_ERROR_NONE (int)

XML_ERROR_NO_MEMORY (int)

XML_ERROR_SYNTAX (int)

XML_ERROR_NO_ELEMENTS (int)

XML_ERROR_INVALID_TOKEN (int)

XML_ERROR_UNCLOSED_TOKEN (int)

XML_ERROR_PARTIAL_CHAR (int)

XML_ERROR_TAG_MISMATCH (int)

XML_ERROR_DUPLICATE_ATTRIBUTE (int)

XML_ERROR_JUNK_AFTER_DOC_ELEMENT (int)

XML_ERROR_PARAM_ENTITY_REF (int)

XML_ERROR_UNDEFINED_ENTITY (int)

XML_ERROR_RECURSIVE_ENTITY_REF (int)

XML_ERROR_ASYNC_ENTITY (int)

XML_ERROR_BAD_CHAR_REF (int)

XML_ERROR_BINARY_ENTITY_REF (int)

XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF (int)

XML_ERROR_MISPLACED_XML_PI (int)

XML_ERROR_UNKNOWN_ENCODING (int)

XML_ERROR_INCORRECT_ENCODING (int)

XML_ERROR_UNCLOSED_CDATA_SECTION (int)

XML_ERROR_EXTERNAL_ENTITY_HANDLING (int)

XML_OPTION_CASE_FOLDING (int)

XML_OPTION_PARSE_HUGE (int)

Available as of PHP 8.4.0. When libxml2 < 2.7.0 is used (e.g. on PHP 7.x), this option is enabled by default and cannot be disabled.

XML_OPTION_TARGET_ENCODING (int)

XML_OPTION_SKIP_TAGSTART (int)

XML_OPTION_SKIP_WHITE (int)

XML_SAX_IMPL (string)

Holds the SAX implementation method. Can be libxml or expat.