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@ 2014-07-14T17:08:02Z

<?php

    function whatevs () {return true;};
    set_error_handler('whatevs');
    function foo($a) { trigger_warning('whatevs', E_USER_WARNING); var_dump($a); }
    foo(“13abc”);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
set_error_handler: documentation ( source)

preferences:dark modelive preview

44.46 ms | 402 KiB | 5 Q