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@ 2022-06-17T04:14:09Z

<?php

$array1 = [
    [
        "title" => "Title array1 1",
        "type" => "array1"
    ],
    [
        "title" => "Title array1 2",
        "type" => "array1",
    ],
    [
        "title" => "Title array1 3",
        "type" => "array1"
    ]
];

$array2 = [
    [
        "title" => "Title array2 1",
        "type" => "array2",
    ],
    [
        "title" => "Title array2 2",
        "type" => "array2"
    ]
];

$array3 = [
    [
        "title" => "Title array3 1",
        "type" => "array3"
    ]
];

var_export(
    array_map(
        fn($row1, $row2, $row3) => [
            'array1' => $row1['title'] ?? $array1[0]['title'],
            'array2' => $row2['title'] ?? $array1[0]['title'],
            'array3' => $row3['title'] ?? $array1[0]['title'],
        ],
        $array1,
        $array2,
        $array3
    )
);

Output for git.master, git.master_jit, rfc.property-hooks: array ( 0 => array ( 'array1' => 'Title array1 1', 'array2' => 'Title array2 1', 'array3' => 'Title array3 1', ), 1 => array ( 'array1' => 'Title array1 2', 'array2' => 'Title array2 2', 'array3' => 'Title array1 1', ), 2 => array ( 'array1' => 'Title array1 3', 'array2' => 'Title array1 1', 'array3' => 'Title array1 1', ), )

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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