(PHP 4, PHP 5, PHP 7)
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:
<?
?>
?>
) 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
A reference to the XML parser to set up processing instruction (PI) handler function.
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:
parser
target
target
, contains the PI
target.
data
data
, contains the PI
data.
If a handler function is set to an empty string, or false
, the handler
in question is disabled.
Notă: În locul denumirii funcției poate fi indicat un tablou conținând o referință la obiect și o denumire a metodei.
Întoarce valoarea true
în cazul
succesului sau false
în cazul eșecului.
Versiune | Descriere |
---|---|
8.0.0 |
parser expects an XMLParser
instance now; previously, a resource was expected.
|