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@ 2024-11-29T07:31:56Z

<?php

$types = [
    ['unique_codename' => 'cars', 'category' => 'vehicle', 'foo' => 'bar'],
    ['unique_codename' => 'fruit', 'category' => 'food', 'foo' => 'bar'],
    ['unique_codename' => 'vegetables', 'category' => 'food', 'foo' => 'bar'],
    ['unique_codename' => 'animals', 'category' => 'vehicle and food', 'foo' => 'bar'],
];
$products = [
    ['codename' => 'fruit', 'name' => 'banana', 'other' => 'stuff'],
    ['codename' => 'fruit', 'name' => 'apple', 'other' => 'stuff'],
    ['codename' => 'vegetables', 'name' => 'cauliflower', 'other' => 'stuff'],
    ['codename' => 'cars', 'name' => 'audi', 'other' => 'stuff'],
    ['codename' => 'cars', 'name' => 'volvo', 'other' => 'stuff'],
];

foreach ($types as ['unique_codename' => $ucn, 'sorts' => &$ref[$ucn]]) {
    $ref[$ucn] = [];
};
foreach ($products as ['codename' => $cn, 'name' => $ref[$cn][]['name']]);
var_export($types);

Output for git.master_jit, git.master: array ( 0 => array ( 'unique_codename' => 'cars', 'category' => 'vehicle', 'foo' => 'bar', 'sorts' => array ( 0 => array ( 'name' => 'audi', ), 1 => array ( 'name' => 'volvo', ), ), ), 1 => array ( 'unique_codename' => 'fruit', 'category' => 'food', 'foo' => 'bar', 'sorts' => array ( 0 => array ( 'name' => 'banana', ), 1 => array ( 'name' => 'apple', ), ), ), 2 => array ( 'unique_codename' => 'vegetables', 'category' => 'food', 'foo' => 'bar', 'sorts' => array ( 0 => array ( 'name' => 'cauliflower', ), ), ), 3 => array ( 'unique_codename' => 'animals', 'category' => 'vehicle and food', 'foo' => 'bar', 'sorts' => array ( ), ), )

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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