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<?php $arr=array( array('amount'=>100,'date'=>'2014-03-29'), array('amount'=>200,'date'=>'2014-03-31'), array('amount'=>120,'date'=>'2014-03-30'), ); $total = 0; //以日期递增排序 uasort($arr, function($a, $b) { return strtotime($a['date']) - strtotime($b['date']); }); array_walk_recursive($arr, function(&$val, $key) use (&$total) { if ($key === 'amount') { $total += $val; $val = $total; } });var_dump($arr);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
array(3) { [0]=> array(2) { ["amount"]=> int(100) ["date"]=> string(10) "2014-03-29" } [2]=> array(2) { ["amount"]=> int(220) ["date"]=> string(10) "2014-03-30" } [1]=> array(2) { ["amount"]=> int(420) ["date"]=> string(10) "2014-03-31" } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/pShio on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/pShio on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/pShio on line 11
Process exited with code 255.

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