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@ 2021-09-12T21:12:39Z

<?php

$result = [];
foreach (range('a', 'e') as $value) {
    if ($result) {
        $row[] = $value;
        unset($row);
    }
    $row = [$value];
    $result[] = &$row;
}
var_export($result);

Output
Performance
VLD
References
Branches

var_export: documentation ( source)
range: documentation ( source)

preferences:dark modelive previewkey bindings

27.01 ms | 405 KiB | 5 Q