3v4l.org

run code in 150+ php & hhvm versions
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<?php $array = array(0 => 'blue', 1 => 'red', 2 => 'green', 3 => 'red'); $key = array_search('gree', $array); // $key = 2; $key = array_search('red', $array); // $key = 1; ?>
Output for 4.3.0 - 7.1.0