Online PHP editor | refs for r9ciU

<?php $specification = array( 'type' => array( 'Excavator', 'Mini Excavator', 'Mini Excavator', 'Excavator', 'Excavator', 'Excavator', 'Rubber Tire', 'Rubber Tire', 'Rubber Tire', ), 'estimated_weight' => array( '680', '110', '130', '675', '750', '750', '200', '200', '300', ), 'weight_class' => array( '24,000 - 33,000 Lbs', '2,500 - 4,000 Lbs', '4,000 - 8,000 Lbs', '24,000 - 33,000 Lbs', '40,000 - 45,000 Lbs', '40,000 - 45,000 Lbs', 'Rubber Tire', 'Rubber Tire', 'Rubber Tire', ), ); array_multisort( $specification['weight_class'], SORT_NATURAL, $specification['estimated_weight'], $specification['type'], ); var_export($specification);