3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr=array( array('amount'=>100,'date'=>'2014-03-29'), array('amount'=>120,'date'=>'2014-03-30'), array('amount'=>200,'date'=>'2014-03-31'), array('amount'=>0,'date'=>'2014-04-31') ); function sd($a,$b) {if($a['date'] == $b['date']) return 0; return $a['date'] >$b['date'] ? 1 : -1;} usort($arr, 'sd'); $amount = 0; foreach($arr as &$item) { $amount += $item['amount']; $item['amount'] = $amount; } print_r($arr);
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => Array ( [amount] => 100 [date] => 2014-03-29 ) [1] => Array ( [amount] => 220 [date] => 2014-03-30 ) [2] => Array ( [amount] => 420 [date] => 2014-03-31 ) [3] => Array ( [amount] => 420 [date] => 2014-04-31 ) )
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/HFkib on line 14
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/HFkib on line 14
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/HFkib on line 14
Process exited with code 255.