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@ 2014-10-17T13:59:02Z

<?php 
class A {
public $params = array('extract-core' => 'no');
public function __invoke()  {
var_dump(!(strtolower($this->params['extract-core']) === 'no'));
}
}
$A = new A();
$A();

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
strtolower: documentation ( source)

preferences:dark modelive preview

39.69 ms | 402 KiB | 5 Q