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@ 2023-01-20T10:37:28Z

<?php

$array_one = [
    [
        'product_id' => 1,
        'product_stock' => '1.2',
        'stock_date' => '2022-02-15'
    ],
    [
        'product_id' => 2,
        'product_stock' => '5',
        'stock_date' => '2022-02-15'
    ],
];
$array_two = [
    [
        'product_id' => 1,
        'product_slug' => 'product_one',
        'product_description' => 'this is the product one'
    ],
    [
        'product_id' => 2,
        'product_slug' => 'product_two',
        'product_description' => 'this is the product two'
    ],
    [
        'product_id' => 3,
        'product_slug' => 'product_three',
        'product_description' => 'this is the product three'
    ],
];

$lookup = array_column($array_two, null, 'product_id');
var_export(
    array_map(
        fn($row) => $row + $lookup[$row['product_id']],
        $array_one
    )
);

Output for git.master, git.master_jit, rfc.property-hooks: array ( 0 => array ( 'product_id' => 1, 'product_stock' => '1.2', 'stock_date' => '2022-02-15', 'product_slug' => 'product_one', 'product_description' => 'this is the product one', ), 1 => array ( 'product_id' => 2, 'product_stock' => '5', 'stock_date' => '2022-02-15', 'product_slug' => 'product_two', 'product_description' => 'this is the product two', ), )

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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