Online PHP editor | refs for TcVX4

<?php function checkAisle($term) { if (!ctype_alpha($term[0])) { return "First character out of bounds"; } $locations = array_fill_keys(range('A','L'),1)+array_fill_keys(range('M','Z'),2); $letter = strtoupper($term[0]); return "$letter is located on Aisle {$locations[$letter]}."; } echo checkAisle("Trump") , "\n"; echo checkAisle("banana") , "\n"; echo checkAisle("melon") , "\n"; echo checkAisle("guava") , "\n"; echo checkAisle("nectarine") , "\n"; echo checkAisle("lemon") , "\n";