PHP Function method_exists()

Syntax

method_exists ( $object, $method_name );

Checks if the class method exists in the given object.

Parameter	Description
object	Required. The tested object
mthod_name	Required. The method name.

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

Following is the usage of this function:

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

It will produce following result:

bool(true)