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@ 2017-10-12T19:57:57Z

<?php

class Foo
{
    public static function exec() 
    {
        echo "OK";
    }
}

$c = 'Foo::exec';
if (is_callable($c)) {
    $c();
}

Output
Performance
VLD
References
Branches

is_callable: documentation ( source)

preferences:dark modelive preview

24.41 ms | 404 KiB | 5 Q