- strstr: documentation ( source)
<?php
$string = 'michelinx-icexi3xl92t';
$array = array( 0 => 'x-ice', 1 => 'x-icenorth', 2 => 'x-icexi2', 3 => 'x-icexi3');
foreach($array as $key => $arr)
{
if(strstr($string, $arr)){
//some code here
echo $arr;
break;
}
}