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@ 2023-05-01T10:27:20Z

<?php

$all = ['test'];

foreach ($all as &$item) {
  $all += [$item];
}

var_dump($all);

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

121.27 ms | 404 KiB | 5 Q