3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ar1 = array(array('v',2040),array('v',526),array('v',200),array('v',2040),array('p',600)); $result = []; foreach($ar1 as $k=>$v){ $result[]=$v[1]; } $unique_v = array_unique($result); print '<pre>'; print_r($unique_v); print '</pre>'; ?>

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34.88 ms | 405 KiB | 5 Q