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@ 2023-02-25T10:54:49Z

<?php

$in = [
    [
        'saledate' => '2016-02-01',
        'name' => 'John Doe',
        'markup' => 561
    ],
    [
        'saledate' => '2016-02-01',
        'name' => 'John Doe',
        'markup' => 681
    ],
    [
        'saledate' => '2016-02-02',
        'name' => 'John Doe',
        'markup' => 379
    ],
    [
        'saledate' => '2016-02-01',
        'name' => 'Jane Doe',
        'markup' => 205
    ],
    [
        'saledate' => '2016-02-02',
        'name' => 'Jane Doe',
        'markup' => 900
    ],
    [
        'saledate' => '2016-02-02',
        'name' => 'Jane Doe',
        'markup' => 787
    ],
    [
        'saledate' => '2016-02-03',
        'name' => 'Jane Doe',
        'markup' => 211
    ]
];

$result = [];
foreach ($in as ['saledate' => $s, 'name' => $n, 'markup' => $m]) {
    if (!isset($ref[$n])) {
        $ref[$n] = ['name' => $n, $s => $m];
        $result[] = &$ref[$n];
    } else {
        $ref[$n][$s] = ($ref[$n][$s] ?? 0) +$m;
    }
}
var_export($result);

Output for rfc.property-hooks, git.master, git.master_jit: array ( 0 => array ( 'name' => 'John Doe', '2016-02-01' => 1242, '2016-02-02' => 379, ), 1 => array ( 'name' => 'Jane Doe', '2016-02-01' => 205, '2016-02-02' => 1687, '2016-02-03' => 211, ), )

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Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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