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@ 2014-05-30T13:21:06Z

<?php

interface IA
{
}

class A implements IA {}

$var = 'A';

var_dump( is_a( $var, 'IA' ) );

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
is_a: documentation ( source)

preferences:dark modelive preview

48.03 ms | 402 KiB | 5 Q