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@ 2023-05-24T07:52:04Z

<?php

function applyDocumentCasts($keyPattern, Closure $closure)
{
        $casts = [
            'unchanged' => fn ($item) => $item,
            'object' => fn ($item) => (object) $item,
            // 'Serializable' => fn ($item) => new BSONDocument($item),
            // 'Document' => fn ($item) => Document::fromPHP($item),
        ];
        
        return array_combine(
            array_map(fn ($castName) => sprintf($keyPattern, $castName), array_keys($casts)),
            array_map(fn ($cast) => $closure($cast), $casts),
        );
}

function provideFilterDocuments(): array
{
    $expectedQuery = (object) ['x' => 1];
    
    return applyDocumentCasts(
        '%s',
        fn ($cast) => [$cast(['x' => 1]), $expectedQuery]
    );
}

var_dump(provideFilterDocuments());

Output for git.master, git.master_jit, rfc.property-hooks: array(2) { ["unchanged"]=> array(2) { [0]=> array(1) { ["x"]=> int(1) } [1]=> object(stdClass)#1 (1) { ["x"]=> int(1) } } ["object"]=> array(2) { [0]=> object(stdClass)#6 (1) { ["x"]=> int(1) } [1]=> object(stdClass)#1 (1) { ["x"]=> int(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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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