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@ 2019-10-04T07:31:32Z

<?php

$arr = [
    0 =>
    [
        0 => 123,
        1 => 108,
        2 => 58,
        3 => 23,
    ],
    1 =>
    [
        0 => 93,
        1 => 94,
        2 => 95,
        3 => 172,
        4 => 30,
    ],
    2 =>
    [
        0 => 109,
        1 => 81,
        2 => 79,
        3 => 155,
    ],
];
$result = array_merge(...$arr);
print_r($result);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
array_merge: documentation ( source)

preferences:dark modelive previewkey bindings

33.78 ms | 405 KiB | 5 Q