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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]. ' '; } ?>

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