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xml Predefined Constants -- Constants defined in the 
xml extension
Description
    These constants are defined by the  xml extension, and
    will only be available when that 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_TAGSTART 
      (integer)
 
       
      
- XML_OPTION_SKIP_WHITE 
      (integer)