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
(integer)
XML_ERROR_NO_MEMORY
(integer)
XML_ERROR_SYNTAX
(integer)
XML_ERROR_NO_ELEMENTS
(integer)
XML_ERROR_INVALID_TOKEN
(integer)
XML_ERROR_UNCLOSED_TOKEN
(integer)
XML_ERROR_PARTIAL_CHAR
(integer)
XML_ERROR_TAG_MISMATCH
(integer)
XML_ERROR_DUPLICATE_ATTRIBUTE
(integer)
XML_ERROR_JUNK_AFTER_DOC_ELEMENT
(integer)
XML_ERROR_PARAM_ENTITY_REF
(integer)
XML_ERROR_UNDEFINED_ENTITY
(integer)
XML_ERROR_RECURSIVE_ENTITY_REF
(integer)
XML_ERROR_ASYNC_ENTITY
(integer)
XML_ERROR_BAD_CHAR_REF
(integer)
XML_ERROR_BINARY_ENTITY_REF
(integer)
XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF
(integer)
XML_ERROR_MISPLACED_XML_PI
(integer)
XML_ERROR_UNKNOWN_ENCODING
(integer)
XML_ERROR_INCORRECT_ENCODING
(integer)
XML_ERROR_UNCLOSED_CDATA_SECTION
(integer)
XML_ERROR_EXTERNAL_ENTITY_HANDLING
(integer)
XML_OPTION_CASE_FOLDING
(integer)
XML_OPTION_TARGET_ENCODING
(integer)
XML_OPTION_SKIP_WHITE
(integer)
XML_SAX_IMPL
(string)