3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $vouchers = array( 1 => 100, 3 => 150, 5 => 100 ); $discounts = array(); $orders = array(50, 100, 200, 300, 500, 1000); foreach ($orders as $order) { $vouchers2 = $vouchers; foreach ($vouchers2 as $id => $voucher) { $discounts[$order][$id] = 0; } $remainingValue = $order; $id = key($vouchers2); $voucher = array_pop($vouchers2); if ($voucher === null) { echo 'exiting for order '. $order . PHP_EOL; continue; } echo "order: " . $order . PHP_EOL; echo "voucher : " . $voucher . PHP_EOL; while($remainingValue > 0 && $voucher !== null) { $value = min ($remainingValue, $voucher); $id = key($vouchers); $discounts[$order][$id] = $value; $voucher = array_pop($vouchers2); $remainingValue -= $value; } } var_dump($discounts);
based on JvHQs
Output for 4.3.10 - 4.4.9, 5.0.2 - 5.2.0, 5.2.4 - 7.2.0
order: 50 voucher : 100 order: 100 voucher : 100 order: 200 voucher : 100 order: 300 voucher : 100 order: 500 voucher : 100 order: 1000 voucher : 100 array(6) { [50]=> array(3) { [1]=> int(50) [3]=> int(0) [5]=> int(0) } [100]=> array(3) { [1]=> int(100) [3]=> int(0) [5]=> int(0) } [200]=> array(3) { [1]=> int(100) [3]=> int(0) [5]=> int(0) } [300]=> array(3) { [1]=> int(50) [3]=> int(0) [5]=> int(0) } [500]=> array(3) { [1]=> int(100) [3]=> int(0) [5]=> int(0) } [1000]=> array(3) { [1]=> int(100) [3]=> int(0) [5]=> int(0) } }
Output for 5.2.1 - 5.2.3
order: 50 voucher : 100 order: 100 voucher : 100 order: 200 voucher : 100 order: 300 voucher : 100 order: 500 voucher : 100 order: 1000 voucher : 100 array(6) { [50]=> array(4) { [1]=> int(0) [3]=> int(0) [5]=> int(0) [""]=> int(50) } [100]=> array(4) { [1]=> int(0) [3]=> int(0) [5]=> int(0) [""]=> int(100) } [200]=> array(4) { [1]=> int(0) [3]=> int(0) [5]=> int(0) [""]=> int(100) } [300]=> array(4) { [1]=> int(0) [3]=> int(0) [5]=> int(0) [""]=> int(50) } [500]=> array(4) { [1]=> int(0) [3]=> int(0) [5]=> int(0) [""]=> int(100) } [1000]=> array(4) { [1]=> int(0) [3]=> int(0) [5]=> int(0) [""]=> int(100) } }
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MAsG9 on line 24 order: 50PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MAsG9 on line 25 voucher : 100PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MAsG9 on line 24 order: 100PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MAsG9 on line 25 voucher : 100PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MAsG9 on line 24 order: 200PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MAsG9 on line 25 voucher : 100PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MAsG9 on line 24 order: 300PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MAsG9 on line 25 voucher : 100PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MAsG9 on line 24 order: 500PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MAsG9 on line 25 voucher : 100PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MAsG9 on line 24 order: 1000PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MAsG9 on line 25 voucher : 100PHP_EOLarray(6) { [50]=> array(3) { [1]=> int(50) [3]=> int(0) [5]=> int(0) } [100]=> array(3) { [1]=> int(100) [3]=> int(0) [5]=> int(0) } [200]=> array(3) { [1]=> int(100) [3]=> int(0) [5]=> int(0) } [300]=> array(3) { [1]=> int(50) [3]=> int(0) [5]=> int(0) } [500]=> array(3) { [1]=> int(100) [3]=> int(0) [5]=> int(0) } [1000]=> array(3) { [1]=> int(100) [3]=> int(0) [5]=> int(0) } }