(PHP 4, PHP 5, PHP 7)
xml_set_external_entity_ref_handler — Set up external entity reference handler
Sets the external entity reference handler function for the XML parser
A reference to the XML parser to set up external entity reference handler function.
handler is a string containing the name of a
function that must exist when xml_parse() is called
The function named by
handler must accept
five parameters, and should return an integer value.If the
value returned from the handler is
FALSE (which it will be if no
value is returned), the XML parser will stop parsing and
xml_get_error_code() will return
open_entity_names, is a space-separated list of the names of the entities that are open for the parse of this entity (including the name of the referenced entity).
system_id) of the external entity.Currently this parameter will always be set to an empty string.
system_id, is the system identifier as specified in the entity declaration.
public_id, is the public identifier as specified in the entity declaration, or an empty string if none was specified; the whitespace in the public identifier will have been normalized as required by the XML spec.
If a handler function is set to an empty string, or
FALSE, the handler
in question is disabled.
Note: Instead of a function name, an array containing an object reference and a method name can also be supplied.
TRUE on success or
FALSE on failure.