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@ 2014-02-23T04:15:22Z

<?php

class A
{
}

class B extends A
{
}


var_dump(is_subclass_of('B', 'A'));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
is_subclass_of: documentation ( source)

preferences:dark modelive preview

55.77 ms | 402 KiB | 5 Q