<?php
$arr = array(
array(
'imp' => 1000,
'clk' => 100,
'date' => 20150601
),
array(
'imp' => 1002,
'clk' => 102,
'date' => 20150602
),
array(
'imp' => 1003,
'clk' => 103,
'date' => 20150601
)
);
$result = array_reduce($arr, function($left, $right) {
if(isset($right['imp'])) $left['imp'] += $right['imp'];
if(isset($right['clk'])) $left['clk'] += $right['clk'];
return $left;
}, [
'imp' => 0,
'clk' => 0
]);
print_r($result);
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.24, 8.3.0 - 8.3.12
- Array
(
[imp] => 3005
[clk] => 305
)
- Output for 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/58v94 on line 28
Process exited with code 255. - 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/58v94 on line 23
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/58v94 on line 23
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/58v94 on line 23
Process exited with code 255.
preferences:
77.6 ms | 411 KiB | 5 Q