(PHP 5)
ReflectionMethod::invoke — Invoke
Invokes a reflected method.
object
The object to invoke the method on. For static methods, pass null to this parameter.
parameter
Zero or more parameters to be passed to the method. It accepts a variable number of parameters which are passed to the method.
Returns the method result.
A ReflectionException if the object
parameter does not contain an instance of the class that this method was declared in.
A ReflectionException if the method invocation failed.
Example #1 ReflectionMethod::invoke() example
<?php
class HelloWorld {
public function sayHelloTo($name) {
return 'Hello ' . $name;
}
}
$reflectionMethod = new ReflectionMethod('HelloWorld', 'sayHelloTo');
echo $reflectionMethod->invoke(new HelloWorld(), 'Mike');
?>
以上例程会输出：
Hello Mike
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。
dimitriy at remerov dot ru (2012-06-06 13:19:35)
This method can be used to call a overwritten public method of a parent class on an child instance
The following code will output "A":
<?php
class A
{
public function foo()
{
return __CLASS__;
}
}
class B extends A
{
public function foo()
{
return __CLASS__;
}
}
$b = new B();
$reflection = new ReflectionObject($b);
$parentReflection = $reflection->getParentClass();
$parentFooReflection = $parentReflection->getMethod('foo');
$data = $parentFooReflection->invoke($b);
echo $data;
?>
templargrey at wp dot pl (2011-07-21 01:12:21)
Seems that Reflection doesn`t resolve late static bindings - var_dump will show "string 'a' (length=1)".
<?php
class ParentClass { protected static $a = 'a'; static public function init() { return static::$a; } }
class ChildClass extends ParentClass { protected static $a = 'b'; }
$r = new ReflectionClass('ChildClass');
var_dump($r->getMethod('init')->invoke(null));
?>
rojaro at gmail dot com (2011-02-10 01:56:58)
Note: If you want to invoke protected or private methods, you'll first have to make them accessible using the setAccessible() method (see http://php.net/reflectionmethod.setaccessible ).