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method_exists

Checks if the class method exists (PHP 4, PHP 5)
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 386. method_exists() example

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

The above example will output:

bool(true)


Example 387. Static method_exists() example

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

The above example will output:

bool(true)