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@ 2014-06-24T13:39:11Z

<?php

class A
{
    const A = 'A';
}

class B extends A
{
    const B = 'B';
}

$r = new \ReflectionClass('B');

var_dump($r->getConstants());

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

53.59 ms | 402 KiB | 5 Q