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@ 2018-08-28T06:39:59Z

<?php

class Base{
    function checkMethod(){
        var_dump(method_exists($this, 'foo'));
    }
}

class Child extends Base{
    function foo() {
        
    }
}

$base = new base();
$base->checkMethod();

$child = new Child();
$child->checkMethod();

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
method_exists: documentation ( source)

preferences:dark modelive preview

63.78 ms | 402 KiB | 5 Q