3v4l.org

run code in 300+ PHP versions simultaneously
<?php function mysort($a,$b){ return strlen($b)-strlen($a); } //$data = array("kaushik","kaushik is","kaushik is great","is","is great","great"); $data = array("usb","pc","cam 168","cam","168"); usort($data,'mysort'); // print_r($data); $current = ""; for($i=0;$i<count($data);$i++) { $current=$data[$i]; for($j=($i+1);$j<count($data);$j++) { $current=trim(str_replace($data[$j],"",$current)); } if ($current=="") { echo $i.":".$data[$i]."\n"; break; } } ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
0:cam 168

preferences:
295.74 ms | 405 KiB | 456 Q