3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr=array( array('amount'=>100,'date'=>'2014-04-29'), array('amount'=>120,'date'=>'2014-03-30'), array('amount'=>200,'date'=>'2014-03-31') ); usort($arr, function($a, $b) { if($a['date'] == $b['date']) return 0; return $a['date'] > $b['date'] ? 1 : -1; }); var_dump($arr); $amount = 0; foreach($arr as &$item) { $amount += $item['amount']; $item['amount'] = $amount; } var_dump($arr);
Output for 5.3.0 - 7.1.0
array(3) { [0]=> array(2) { ["amount"]=> int(120) ["date"]=> string(10) "2014-03-30" } [1]=> array(2) { ["amount"]=> int(200) ["date"]=> string(10) "2014-03-31" } [2]=> array(2) { ["amount"]=> int(100) ["date"]=> string(10) "2014-04-29" } } array(3) { [0]=> array(2) { ["amount"]=> int(120) ["date"]=> string(10) "2014-03-30" } [1]=> array(2) { ["amount"]=> int(320) ["date"]=> string(10) "2014-03-31" } [2]=> &array(2) { ["amount"]=> int(420) ["date"]=> string(10) "2014-04-29" } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/sNonA on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/sNonA on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/sNonA on line 7
Process exited with code 255.