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@ 2022-04-13T11:29:37Z

<?php

class Example {
    public $length, $height, $width, $weight;
    
    public function __construct($length, $height, $width, $weight) {
        $this->length = $length;
        $this->height = $height;
        $this->width = $width;
        $this->weight = $weight;
    }
    
    public function get_price() {
        return 1.23;
    }
}

$sample_data = [
    42 => ['quantity' => 2, 'data' => new Example(42, 42, 42, 42)],
    69 => ['quantity' => 1, 'data' => new Example(69, 69, 69, 69)],
];

$products    = [];
$i           = 0;
$totalweight = 0;
$totalprice  = 0;

foreach ( $sample_data as $item_id => $values ) {
    $_product = $values['data'];
    $q        = 1;
    while ( $values['quantity'] >= $q ) {
        $products[ $i ] = new stdClass;
        $products[ $i ]->length = $_product->length;
        $products[ $i ]->height = $_product->height;
        $products[ $i ]->width  = $_product->width;
        $products[ $i ]->weight = $_product->weight;
        $totalweight           += $_product->weight;
        $totalprice            += $_product->get_price();
        $q++;
        $i++;
    }
}

var_dump($products);

Output for git.master, git.master_jit, rfc.property-hooks: array(3) { [0]=> object(stdClass)#3 (4) { ["length"]=> int(42) ["height"]=> int(42) ["width"]=> int(42) ["weight"]=> int(42) } [1]=> object(stdClass)#4 (4) { ["length"]=> int(42) ["height"]=> int(42) ["width"]=> int(42) ["weight"]=> int(42) } [2]=> object(stdClass)#5 (4) { ["length"]=> int(69) ["height"]=> int(69) ["width"]=> int(69) ["weight"]=> int(69) } }

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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