Online PHP editor | refs for jQDb0

<?php $products = array( 0 => array('name' => 'product_one', 'category' => 'category_one', 'employee' => '3234'), 1 => array('name' => 'product_two', 'category' => 'category_two', 'employee' => '5421'), 2 => array('name' => 'product_three', 'category' => 'category_one', 'employee' => '3234'), 3 => array('name' => 'product_one', 'category' => 'category_one', 'employee' => '2153'), 4 => array('name' => 'product_one', 'category' => 'category_two', 'employee' => '6312') ); $output = array(); foreach ($products as $p) { $output["{$p['name']}##{$p['category']}"] = $p; } $output = array_values($output); print_r($output);