3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'foo' => 1, //'show_me_120' => 'something', 'bar' => 42, ]; $showMeNumber = null; foreach ($array as $k => $v) { if (sscanf($k, 'show_me_%d',$showMeNumber)) { break; } } var_export($showMeNumber);

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23.27 ms | 405 KiB | 5 Q