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@ 2014-07-30T16:22:00Z

<?php

class myA {

    public function testA() {
        var_dump(is_callable(array($this, 'testB')));
    }
}


class myB extends myA {

    public function testA () {
        return parent::testA();
    }

    public function testB () {
        return;
    }
}

$a = new myA();
$b = new myB();

$a->testA();
$b->testA();

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
is_callable: documentation ( source)

preferences:dark modelive preview

40.83 ms | 402 KiB | 5 Q