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@ 2018-01-05T22:54:10Z

<?php
$v1_d1 = 10;
$v1_w2 = 20;
$v1_d2 = 30;
$v1_w3 = 40;

$set = ['v1_d1', 'v1_w2', 'v1_d2', 'v1_w3'];

foreach(compact(...$set) as $var) {
    echo $var;
}

Output
Performance
VLD
References
Branches

compact: documentation ( source)

preferences:dark modelive previewkey bindings

32.49 ms | 404 KiB | 5 Q