(PHP 4, PHP 5)
method_exists — Checks if the class method exists
Checks if the class method exists in the given object .
An object instance
The method name
Returns TRUE if the method given by method_name has been defined for the given object , FALSE otherwise.
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)