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@ 2020-05-05T17:41:20Z

<?php
$array = [1, 2, 3];

foreach ($array as &$val)
    $val--;
    
$val = 0;
foreach ($array as $item)
    $val += $item;
    
print_r([$array, $val]);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)

preferences:dark modelive previewkey bindings

27.27 ms | 404 KiB | 5 Q