Online PHP editor | output for 3jNft

@ 2018-06-26T04:20:09Z

<?php
$array = [
    [
        ['2018-06-13' => "hadir"],
        ['2018-06-12' => "hadir"],
        ['2018-06-11' => "alfa"]
    ],
    [
        ['2018-06-13' => "hadir"],
        ['2018-06-12' => "hadir"],
        ['2018-06-11' => "hadir"]
    ]
];

var_export(
    array_reduce(
        $array,
        function ($carry, $item) {
            $carry[] = array_merge(...$item);
            return $carry;
        },
        []
    )
);

echo "\n---\n";

foreach ($array as &$sub1) {
    $sub1 = array_merge(...$sub1);
}
var_export($array);

Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13: array ( 0 => array ( '2018-06-13' => 'hadir', '2018-06-12' => 'hadir', '2018-06-11' => 'alfa', ), 1 => array ( '2018-06-13' => 'hadir', '2018-06-12' => 'hadir', '2018-06-11' => 'hadir', ), ) --- array ( 0 => array ( '2018-06-13' => 'hadir', '2018-06-12' => 'hadir', '2018-06-11' => 'alfa', ), 1 => array ( '2018-06-13' => 'hadir', '2018-06-12' => 'hadir', '2018-06-11' => 'hadir', ), )

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