The function parses the XML document in the given string.
str
The contents of the XML file.
mode
This optional parameter can be used to change the behavior of this function.
You can use one of the following constants for it: DOMXML_LOAD_PARSING (default), DOMXML_LOAD_VALIDATING or DOMXML_LOAD_RECOVERING. You can add to it also DOMXML_LOAD_DONT_KEEP_BLANKS, DOMXML_LOAD_SUBSTITUTE_ENTITIES and DOMXML_LOAD_COMPLETE_ATTRS by bitwise or.
error
If used, it will contain the error messages.
error
must be passed in by reference.