Online PHP editor | output for 5sXjt

@ 2020-01-22T06:50:19Z

<?php

$array1     = [1, 2, 2, 3];
$array2     = [10, 20, 30, 50];
$array_sum1 = [];
foreach ($array1 as $key => $value) {
    $array_sum1[$value][] = $array2[$key];
}
$array_sum1 = array_map("array_sum", $array_sum1);
print_r($array_sum1);
$array3     = [4, 4, 4, 6];
$array4     = [10, 20, 30, 50];
$array_sum2 = [];
foreach ($array3 as $key => $value) {
    $array_sum2[$value][] = $array4[$key];
}
$array_sum2 = array_map("array_sum", $array_sum2);
print_r($array_sum2);die;

Output for 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 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: Array ( [1] => 10 [2] => 50 [3] => 50 ) Array ( [4] => 60 [6] => 50 )
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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