PHP Manualinterface_exists(PHP 5 >= 5.0.2) interface_exists — Checks if the interface has been defined Description
bool interface_exists
( string $interface_name
[, bool $autoload
] )
Checks if the given interface has been defined. Return ValuesReturns TRUE if the interface given by interface_name has been defined, FALSE otherwise. Examples
Example#1 interface_exists() example
<?php
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