find a word in string php

$myString = "input/name/something";

$strArray = explode('/',$myString);
$name = $strArray[1];
$something = $strArray[2];$a = 'How are you?';

if (strpos($a, 'are') !== false) {
    echo 'true';
}// returns true if $needle is a substring of $haystack
function contains($haystack, $needle){
    return strpos($haystack, $needle) !== false;
}