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@ 2016-01-05T10:00:02Z

<?php

error_reporting(E_ALL);
ini_set('display_errors', true);

class A {
    private $func = null;
    
    public function __construct($func) {
        $this->func = $func;
    }
    
    public function exec() {
        $this->func();
    }
}

$a = new A(function() {
    echo 'works';
});

Output
Performance
VLD
References
Branches

ini_set: documentation ( source)
error_reporting: documentation ( source)

preferences:dark modelive preview

46.6 ms | 402 KiB | 5 Q