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@ 2018-09-08T10:31:33Z

<?php

$arr = array (
    "det1" => [1,2,3,4],
    "det2" => [5,6]
);

$new= [];
Foreach($arr as $sub){
    $new = array_merge($new, $sub);
}

var_dump($new);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_merge: documentation ( source)

preferences:dark modelive previewkey bindings

26.69 ms | 405 KiB | 5 Q