# 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)

### See Also

- function_exists()
- is_callable()