Online PHP editor | refs for BqkW2

<?php $array = array ( "1" => array("fruit","salad","vegetable"), "2" => array("beef","meat","sausage"), "3" => array("chocolate","cake","bread") ); $sentence = "I love big sausage"; foreach($array as $key => $sub){ if(preg_grep("/" . str_replace(" ", "|", $sentence) . "/" ,$sub )){ echo "Match in ". $key . "\n"; } }