3v4l.org

run code in 300+ PHP versions simultaneously

@ 2018-04-23T18:52:11Z

<?php

$items = array(
    '1_JAN_2017' => array('1' => array(2, 5, 3), '2' => array(3, 2, 6, 9)),
    '2_JAN_2017' => array('1' => array(3, 9), '3' => array(1, 4, 8)),
    '3_JAN_2017' => array('4' => array(9), '1' => array(2, 7, 5, 2)),
    '4_JAN_2017' => array('1' => array(5, 3, 3, 2), '4' => array(4, 9, 8, 5)),
    '5_JAN_2017' => array('2' => array(8, 5), '5' => array(3, 9, 7)),
    '6_JAN_2017' => array('5' => array(2, 1, 7, 5), '4' => array(1, 9, 6)),
    '7_JAN_2017' => array('4' => array(5, 2, 9), '3' => array(4, 1, 6))
);

$sumArray = [];
foreach ($items as $date) {
    foreach ($date as $key => $amounts) {
        if (!array_key_exists($key, $sumArray)) {
            $sumArray[$key] = array_sum($amounts);
            continue;
        }
        $sumArray[$key] += array_sum($amounts);
    }
}
print_r($sumArray);

Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13: Array ( [1] => 51 [2] => 33 [3] => 24 [4] => 67 [5] => 34 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/RKANK on line 13
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 '[' in /in/RKANK on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/RKANK on line 13
Process exited with code 255.

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