3v4l.org

run code in 300+ PHP versions simultaneously

@ 2022-04-13T10:59:03Z

<?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)],
];

$i           = 0;
$totalweight = 0;
$totalprice  = 0;

foreach ( $sample_data as $item_id => $values ) {
    $_product = $values['data'];
    $q        = 1;
    while ( $values['quantity'] >= $q ) {
        $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 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13: Fatal error: Uncaught Error: Attempt to assign property "length" on null in /in/1Imu2:31 Stack trace: #0 {main} thrown in /in/1Imu2 on line 31
Process exited with code 255.
Output for 7.4.0 - 7.4.33: Warning: Creating default object from empty value in /in/1Imu2 on line 31 Warning: Creating default object from empty value in /in/1Imu2 on line 31 Warning: Creating default object from empty value in /in/1Imu2 on line 31 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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