3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d1 = array(450,420,440,430,421); $d2 = array(460,410,410,430,413,375,256,411,656); $d3 = array(430,440,470,435,434,255,198); $t = max(max($d1),max($d2),max($d3)); // $t is 656

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28.31 ms | 402 KiB | 5 Q