Online PHP editor | refs for VL42l

<?php $old = array( 20 => array( 'name' => 'Heels', 'path' => '10/15/20', ), 15 => array( 'name' => 'Sandals', 'path' => '15', ), 10 => array( 'name' => 'Trainers', 'path' => '10', ), ); $result = []; $mapper = array_combine(array_keys($old), array_column($old, 'name')); foreach ($old as $key => $value) { $path = implode(' > ', array_map(function($x) use ($mapper) { return $mapper[(int)$x]; }, explode('/', $value['path']))); $result[$key] = ['value' => $key,'label' => $path]; } print_r($result);