forward_static_call
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
Call a callback while preserving the current called class
Description
Calls a user defined function or method given by the callback parameter, with the following arguments. This function must be called within a method context, it can't be used outside a class. When calling a method callback, it makes a forwarding call, so static:: inside the method resolves to the same called class as in the caller. This is useful for static method callbacks that should behave like self:: or parent::.
Parameters
callbackThe function or method to be called. This parameter may be an array, with the name of the class, and the method, or a string, with a function name.
argsZero or more parameters to be passed to the callback.
Return Values
Returns the function result, or false on error.
Examples
forward_static_call() example
<?php
class A
{
const NAME = 'A';
public static function test() {
$args = func_get_args();
echo static::NAME, " ".join(',', $args)." \n";
}
}
class B extends A
{
const NAME = 'B';
public static function test() {
echo self::NAME, "\n";
forward_static_call(array('A', 'test'), 'more', 'args');
forward_static_call( 'test', 'other', 'args');
}
}
B::test('foo');
function test() {
$args = func_get_args();
echo "C ".join(',', $args)." \n";
}
?>The above example will output:
B
B more,args
C other,args