order-test.php

<?php

$cars = [
   [
       'engine'  => 'gasoline',
       'doors'   => 3,
       'color'   => 'red',
       'cc'      => '1200',
       'release' => '2016',
   ],
   [
       'engine'  => 'diesel',
       'doors'   => 5,
       'color'   => 'blue',
       'cc'      => '1200',
       'release' => '2015',
   ],
   [
       'engine'  => 'gasoline',
       'doors'   => 3,
       'color'   => 'red',
       'cc'      => '1400',
       'release' => '2014',
   ],
   [
       'engine'  => 'gasoline',
       'doors'   => 1,
       'color'   => 'green',
       'cc'      => '1800',
       'release' => '2013',
   ],
   [
       'engine'  => 'gasoline',
       'doors'   => 5,
       'color'   => 'red',
       'cc'      => '1000',
       'release' => '2012',
   ],
];