=> 'XML_ERROR_NO_MEMORY',
\XML_ERROR_SYNTAX => 'XML_ERROR_SYNTAX',
\XML_ERROR_NO_ELEMENTS => 'XML_ERROR_NO_ELEMENTS',
\XML_ERROR_INVALID_TOKEN => 'XML_ERROR_INVALID_TOKEN',
\XML_ERROR_UNCLOSED_TOKEN => 'XML_ERROR_UNCLOSED_TOKEN',
\XML_ERROR_PARTIAL_CHAR => 'XML_ERROR_PARTIAL_CHAR',
\XML_ERROR_TAG_MISMATCH => 'XML_ERROR_TAG_MISMATCH',
\XML_ERROR_DUPLICATE_ATTRIBUTE => 'XML_ERROR_DUPLICATE_ATTRIBUTE',
\XML_ERROR_JUNK_AFTER_DOC_ELEMENT => 'XML_ERROR_JUNK_AFTER_DOC_ELEMENT',
\XML_ERROR_PARAM_ENTITY_REF => 'XML_ERROR_PARAM_ENTITY_REF',
\XML_ERROR_UNDEFINED_ENTITY => 'XML_ERROR_UNDEFINED_ENTITY',
\XML_ERROR_RECURSIVE_ENTITY_REF => 'XML_ERROR_RECURSIVE_ENTITY_REF',
\XML_ERROR_ASYNC_ENTITY => 'XML_ERROR_ASYNC_ENTITY',
\XML_ERROR_BAD_CHAR_REF => 'XML_ERROR_BAD_CHAR_REF',
\XML_ERROR_BINARY_ENTITY_REF => 'XML_ERROR_BINARY_ENTITY_REF',
\XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF => 'XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF',
\XML_ERROR_MISPLACED_XML_PI => 'XML_ERROR_MISPLACED_XML_PI',
\XML_ERROR_UNKNOWN_ENCODING => 'XML_ERROR_UNKNOWN_ENCODING',
\XML_ERROR_INCORRECT_ENCODING => 'XML_ERROR_INCORRECT_ENCODING',
\XML_ERROR_UNCLOSED_CDATA_SECTION => 'XML_ERROR_UNCLOSED_CDATA_SECTION',
\XML_ERROR_EXTERNAL_ENTITY_HANDLING => 'XML_ERROR_EXTERNAL_ENTITY_HANDLING',
]