Online PHP editor | rfc for RmXVV

@ 2021-03-27T21:14:07Z

<?php

$data = [
    [
        [
            'Date' => '2021-03-15T00:00:00.0000000+01:00',
            'Arena' => ['Id' => 181796, 'Name' => 'Motala bibliotek'],
            'Description' => null,
            'IsCanceled' => null
        ],
        [
            'Date' => '2021-03-16T00:00:00.0000000+01:00',
            'Arena' => ['Id' => 181796, 'Name' => 'Motala bibliotek'],
            'Description' => null,
            'IsCanceled' => null
        ],
        [
            'Date' => '2021-03-17T00:00:00.0000000+01:00',
            'Arena' => ['Id' => 181796, 'Name' => 'Motala bibliotek'],
            'Description' => null,
            'IsCanceled' => null
        ]
    ],
    [
        [
            'Date' => '2021-03-15T00:00:00.0000000+01:00',
            'Arena' => ['Id' => 181796, 'Name' => 'Motala bibliotek'],
            'Description' => null,
            'IsCanceled' => null
        ],
        [
            'Date' => '2021-03-16T00:00:00.0000000+01:00',
            'Arena' => ['Id' => 181796, 'Name' => 'Motala bibliotek'],
            'Description' => null,
            'IsCanceled' => null
        ]
    ]
];

var_export(
    array_column(array_merge(...$data), 'Date')
);

echo "\n---\n";

$result1 = [];
array_walk_recursive(
    $data,
    function($v, $k) use (&$result1) {
        if ($k === 'Date') {
            $result1[] = $v;
        }
    }
);
var_export($result1);

echo "\n---\n";

$result2 = [];
foreach ($data as $group) {
    array_push($result2, ...array_column($group, 'Date'));
}
var_export($result2);

echo "\n---\n";

$result3 = [];
foreach ($data as $group) {
    foreach ($group as $row) {
        if (array_key_exists('Date', $row)) {
            $result3[] = $row['Date'];
        }
    }
}
var_export($result3);

Output for git.master, git.master_jit, rfc.property-hooks: array ( 0 => '2021-03-15T00:00:00.0000000+01:00', 1 => '2021-03-16T00:00:00.0000000+01:00', 2 => '2021-03-17T00:00:00.0000000+01:00', 3 => '2021-03-15T00:00:00.0000000+01:00', 4 => '2021-03-16T00:00:00.0000000+01:00', ) --- array ( 0 => '2021-03-15T00:00:00.0000000+01:00', 1 => '2021-03-16T00:00:00.0000000+01:00', 2 => '2021-03-17T00:00:00.0000000+01:00', 3 => '2021-03-15T00:00:00.0000000+01:00', 4 => '2021-03-16T00:00:00.0000000+01:00', ) --- array ( 0 => '2021-03-15T00:00:00.0000000+01:00', 1 => '2021-03-16T00:00:00.0000000+01:00', 2 => '2021-03-17T00:00:00.0000000+01:00', 3 => '2021-03-15T00:00:00.0000000+01:00', 4 => '2021-03-16T00:00:00.0000000+01:00', ) --- array ( 0 => '2021-03-15T00:00:00.0000000+01:00', 1 => '2021-03-16T00:00:00.0000000+01:00', 2 => '2021-03-17T00:00:00.0000000+01:00', 3 => '2021-03-15T00:00:00.0000000+01:00', 4 => '2021-03-16T00:00:00.0000000+01:00', )

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
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2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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