Online PHP editor | refs for CD2qE

<?php $data = [ [ "item" => 'apple', "quality" => 3, "store" => 'freds', "price" => 2 ], [ "item" => 'pear', "quality" => 1, "store" => 'bobs', "price" => 3 ], [ "item" => 'banana', "quality" => 2, "store" => 'freds', "price" => 1 ], [ "item" => 'kiwi', "quality" => 2, "store" => 'sams', "price" => 4 ], [ "item" => 'coconut', "quality" => 2, "store" => 'sams', "price" => 6, ], [ "item" => 'lime', "quality" => 3, "store" => 'sams', "price" => 5 ] ]; usort($data, function ($a,$b){ if($a['quality']==$b['quality']){ if($a['store']==$b['store']){ if($a['price']==$b['price']){ return 0; }else{ return $a['price']>$b['price']?-1:1;//Descending } }else{ return $a['store']<$b['store']?-1:1;//Ascending } }else{ return $a['quality']<$b['quality']?-1:1;//Ascending } }); var_dump($data);