Php/docs/reflectionfunction.invokeargs
ReflectionFunction::invokeArgs
(PHP 5 >= 5.1.2, PHP 7)
ReflectionFunction::invokeArgs — Invokes function args
说明
public ReflectionFunction::invokeArgs
( array $args
) : mixed
Invokes the function and pass its arguments as array.
返回值
Returns the result of the invoked function
范例
Example #1 ReflectionFunction::invokeArgs() example
<?phpfunction title($title, $name){ return sprintf("%s. %s\r\n", $title, $name);}$function = new ReflectionFunction('title');echo $function->invokeArgs(array('Dr', 'Phil'));?>
以上例程会输出:
Dr. Phil
Example #2 ReflectionFunction::invokeArgs() with references example
<?phpfunction get_false_conditions(array $conditions, array &$false_conditions){ foreach ($conditions as $condition) { if (!$condition) { $false_conditions[] = $condition; } }}$function_ref = new ReflectionFunction('get_false_conditions');$conditions = array(true, false, -1, 0, 1);$false_conditions = array();$function_ref->invokeArgs(array($conditions, &$false_conditions));var_dump($false_conditions);?>
以上例程会输出:
array(2) { [0]=> bool(false) [1]=> int(0) }
注释
Note:
如果函数有参数需为引用,那么它们必须以引用方式传入。
参见
- ReflectionFunction::invoke() - Invokes function
- ReflectionFunctionAbstract::getNumberOfParameters() - 获取参数数目
- __invoke()
- call_user_func_array() - 调用回调函数,并把一个数组参数作为回调函数的参数