(PHP 3 >= 3.0.6, PHP 4, PHP 5)
xml_set_processing_instruction_handler -- Set up processing instruction (PI) handler
Sets the processing instruction (PI) handler function for the XML parser
parser.
A processing instruction has the following format:
You can put PHP code into such a tag, but be aware of one limitation: in an XML PI, the PI end tag (?>) can not be quoted, so this character sequence should not appear in the PHP code you embed with PIs in XML documents.If it does, the rest of the PHP code, as well as the "real" PI end tag, will be treated as character data.
parser
handler
handler is a string containing the name of a
function that must exist when xml_parse() is called
for parser.
The function named by handler must accept
three parameters:
handler ( resource parser, string target, string data )
parserThe first parameter, parser, is a reference to the XML parser calling the handler.
target
The second parameter, target, contains the PI
target.
data
The third parameter, data, contains the PI
data.
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.