<?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;
$print_following = array();
foreach ($a as $key => $b)
{
$x = 0;
for ($i = 0; $i < count($a); $i++)
{
$c = $a;
unset($c[$key]);
if ($key == $i) continue;
if (strpos($c[$i], $b) === false)
{
$x++;
}
if ($x == $s) array_push($print_following, $key);
}
}
foreach ($print_following as $o => $value) {
echo $a[$value]. ' ';
}
?>
preferences:
52.44 ms | 402 KiB | 5 Q