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@ 2023-10-21T21:19:56Z

<?php

$hotel = [
    [
        'name' => 'hotel one',
        'hotel_price' => '100',
        'hotel_child_price' => '50'
    ],
    [
        'name' => 'hotel two',
        'hotel_price' => '200',
        'hotel_child_price' => '100'
    ],
    [
        'name' => 'hotel three',
        'hotel_price' => '300',
        'hotel_child_price' => '200'
    ],
];

$user_selected_hotel = [
    [
        'name' => 'hotel one',
        'hotel_price' => '100'
    ],
    [
        'name' => 'hotel three',
        'hotel_price' => '300'
    ]
];

var_export(
    array_sum(
        array_column(
            array_uintersect(
                $hotel,
                $user_selected_hotel,
                fn($a, $b) => $a['name'] <=> $b['name']
            ),
            'hotel_child_price'
        )
    )
);

Output for git.master, git.master_jit, rfc.property-hooks: 250

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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