Online PHP editor | output for F6oJb

<?php $needlestack = [ "1" => ["fruit", "salad", "vegetable"], "2" => ["beef", "meat", "sausage"], "3" => ["chocolate", "cake", "bread"] ]; // $haystack = "I love big sausage"; $haystack = "I love big sausageS"; $found = null; foreach ($needlestack as $id => $needles) { foreach ($needles as $needle) { if (stripos($haystack, $needle) !== false) { $found = $id; break 2; } } } var_export($found);