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@ 2016-10-21T17:19:00Z

<?php

$array = [
    [
        'blue_dog_1' => 2
    ],
    [
        'red_dog_1' => 4
    ],
    [
        'red_dog_2' => 6
    ]
];


print_r(array_reduce($array, 'array_merge', []));

Output
Performance
VLD
References
Branches

array_reduce: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive previewkey bindings

24.73 ms | 405 KiB | 5 Q