forward_static_call_array
Example to understand this function and difference with call_user_func:
<?php
class Beer {
const NAME = 'Beer!';
public static function printed(){
echo 'static Beer:NAME = '. static::NAME . PHP_EOL;
}
}
class Ale extends Beer {
const NAME = 'Ale!';
public static function printed(){
forward_static_call(array('parent','printed'));
call_user_func(array('parent','printed'));
forward_static_call(array('Beer','printed'));
call_user_func(array('Beer','printed'));
}
}
Ale::printed();
echo '</pre>';
?>
forward_static_call
(PHP 5 >= 5.3.0)
forward_static_call — Call a static method
설명
Calls a user defined function or method given by the function parameter, with the following arguments. This function must be called within a method context, it can't be used outside a class. It uses the late static binding.
인수
- function
-
The 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.
- parameter
-
Zero or more parameters to be passed to the function.
반환값
Returns the function result, or FALSE on error.
예제
Example #1 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";
}
?>
위 예제의 출력:
B B more,args C other,args
참고
- forward_static_call_array() - Call a static method and pass the arguments as array
- call_user_func_array() - Call a callback with an array of parameters
- call_user_func() - Call the callback given by the first parameter
- is_callable() - 변수 내용을 함수처럼 호출할 수 있는지 확인
- callback형에 대한 정보
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User Contributed Notes
forward_static_call
arthur dot techarts at gmail dot com
12-Jul-2011 07:39