<?php
$array = array(
"date_2019_12" => 0,
"date_2019_11" => 0,
"date_2019_10" => 0,
"date_2019_09" => 0,
"date_2019_08" => 0,
"date_2019_07" => 0,
"date_2019_06" => 0,
"date_2019_05" => 0,
"date_2019_04" => 0,
"date_2019_03" => 0,
"date_2019_02" => 0,
"date_2019_01" => 10,
"date_2018_12" => 1,
"date_2018_11" => 2,
"date_2018_10" => 3,
"date_2018_09" => 4,
"date_2018_08" => 5,
"date_2018_07" => 6,
);
krsort($array);
$year = "2019";
$keys = array_keys($array);
foreach(array_values($array) as $k => $v){
if(strpos($keys[$k], $year) !== false) $res[$keys[$k]] = array_sum(array_slice($array, $k, 6));
}
var_dump($res);
- Output for 7.1.25 - 7.1.28, 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(12) {
["date_2019_12"]=>
int(0)
["date_2019_11"]=>
int(0)
["date_2019_10"]=>
int(0)
["date_2019_09"]=>
int(0)
["date_2019_08"]=>
int(0)
["date_2019_07"]=>
int(0)
["date_2019_06"]=>
int(10)
["date_2019_05"]=>
int(11)
["date_2019_04"]=>
int(13)
["date_2019_03"]=>
int(16)
["date_2019_02"]=>
int(20)
["date_2019_01"]=>
int(25)
}
preferences:
159.12 ms | 404 KiB | 162 Q