Online PHP editor | output for nDOY8

@ 2019-03-14T12:40:02Z

<?php
declare(strict_types=1);

error_reporting(-1);
ini_set('display_errors', 'On');

$helper = new class extends SplMinHeap
{
    public function compare($a, $b): int
    {
        return ($b['current_qty'] + $b['add_qty']) <=> ($a['current_qty'] + $a['add_qty']);
    }
};

$locations = [
    ['location_name' => 'Toronto',     'current_qty' => 3, 'add_qty' => 0],
    ['location_name' => 'Mississauga', 'current_qty' => 7, 'add_qty' => 0],
    ['location_name' => 'London',      'current_qty' => 5, 'add_qty' => 0],
];

foreach ($locations as $entry) {
    $helper->insert($entry);
}

$qty = 10000;
while ($qty-- > 0) {
    $min = $helper->extract();
    $min['add_qty']++;

    $helper->insert($min);
}

print_r(iterator_to_array($helper));

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: Array ( [2] => Array ( [location_name] => Mississauga [current_qty] => 7 [add_qty] => 3331 ) [1] => Array ( [location_name] => London [current_qty] => 5 [add_qty] => 3333 ) [0] => Array ( [location_name] => Toronto [current_qty] => 3 [add_qty] => 3336 ) )
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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