method_exists

(PHP 4, PHP 5)

method_exists -- Checks if the class method exists

Beskrivelse

bool method_exists ( object object, string method_name )

Checks if the class method exists in the given object.

Parameterliste

object

An object instance

method_name

The method name

Returneringsværdier

Returns TRUE if the method given by method_name has been defined for the given object, FALSE otherwise.

Eksempler

Eksempel 1. method_exists() example

<?php
$directory
= new Directory('.');
var_dump(method_exists($directory,'read'));
?>

Ovenstående eksempel vil udskrive:

bool(true)

Se også

function_exists()
is_callable()