method_exists
(PHP 4, PHP 5)
method_exists — Checks if the class method exists
Description
bool method_exists
( object $object
, string $method_name
)
Checks if the class method exists in the given object .
Parameters
- object
-
An object instance
- method_name
-
The method name
Return values
Returns TRUE if the method given by method_name has been defined for the given object , FALSE otherwise.
Examples
Example#1 method_exists() example
<?php
$directory = new Directory('.');
var_dump(method_exists($directory,'read'));
?>
The above example will output:
bool(true)
Example#2 Static method_exists() example
<?php
$directory = new Directory('.');
var_dump(method_exists('Directory','read'));
?>
The above example will output:
bool(true)