3v4l.org

run code in 300+ PHP versions simultaneously
<?php // $a = array( 'kaushik', 'kaushik is', 'kaushik is great', 'is', 'is great', 'great' ); $a = array('usb', 'pc', 'cam 168', 'cam', '168', 'cam 168'); $a = array_unique($a); $s = count($a) - 1; $p = array(); foreach ($a as $key => $b) { $x = 0; for ($i = 0; $i < count($a); $i++) { if ($key == $i) continue; $c = $a; unset($c[$key]); if (strpos($c[$i], $b) === false) $x++; if ($x == $s) array_push($p, $key); } } foreach ($p as $o => $value) { echo $a[$value]. ' '; } ?>
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
usb pc cam 168
preferences:
217.21 ms | 406 KiB | 312 Q