3v4l.org

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<?php $_SESSION['ID'][] = array("Soup", 3 , 1.25); $_SESSION['ID'][] = array("Puos", 1 , 3.25); foreach ($_SESSION['ID'] as [2 => &$price]) { $price *= .4; } var_export($_SESSION);
Output for 8.1.34, 8.2.27 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 'ID' => array ( 0 => array ( 0 => 'Soup', 1 => 3, 2 => 0.5, ), 1 => array ( 0 => 'Puos', 1 => 1, 2 => 1.3, ), ), )
preferences:
64.2 ms | 407 KiB | 5 Q