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@ 2014-02-07T12:33:57Z

<?php
$r = new \ReflectionFunction('copy');
 
foreach($r->getParameters() as $p) {
    var_dump($p->isOptional());	
}

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

35.71 ms | 402 KiB | 5 Q