<?php
$arr=array(
array('amount'=>100,'date'=>'2014-03-29'),
array('amount'=>120,'date'=>'2014-03-30'),
array('amount'=>200,'date'=>'2014-03-31')
);
usort($arr, function($a, $b) {
if($a['date'] == $b['date']) return 0;
return $a['date'] > $b['date'] ? 1 : -1;
});
$amount = 0;
foreach($arr as &$item) {
$amount += $item['amount'];
$item['amount'] = $amount;
}
var_dump($arr);
- Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.3.6
- array(3) {
[0]=>
array(2) {
["amount"]=>
int(100)
["date"]=>
string(10) "2014-03-29"
}
[1]=>
array(2) {
["amount"]=>
int(220)
["date"]=>
string(10) "2014-03-30"
}
[2]=>
&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/6nuZ0 on line 7
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/6nuZ0 on line 7
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/6nuZ0 on line 7
Process exited with code 255.
preferences:
326.39 ms | 401 KiB | 460 Q