xml_error_string
    (PHP 3 >= 3.0.6, PHP 4, PHP 5)
xml_error_string -- Get XML parser error string
Description
string 
xml_error_string ( int code )
     Gets the XML parser error string associated with the given 
     code.
    
Return Values
     Returns a string with a textual description of the error
     code, or FALSE if no description was found.