$text1 = array ('you', 'hello', 'WORLD');
$text2 = "Hello world";

    //preg_match
    foreach ($text1 as $text)  {

    if (preg_match_all("~b$textb~i", $text2, $match))  {

        $match = $match[0];


echo "<pre>";
print_r($match);
echo "</pre>";

    }
    }