Online PHP editor | output for TcVX4

@ 2018-04-18T05:00:44Z

<?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";

Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1: T is located on Aisle 2. B is located on Aisle 1. M is located on Aisle 2. G is located on Aisle 1. N is located on Aisle 2. L is located on Aisle 1.
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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