Online PHP editor | refs for 1MQ8Z

<?php $array = [ [ "id" => "1", "macros" => [ "calorie" => 487.98, "fat" => 48.79, "carb" => 7.35, "protein" => 8.06 ], ], [ "id" => "3", "macros" => [ "calorie" => 472.07, "fat" => 38.4, "carb" => 9.46, "protein" => 18.25 ], ], [ "id" => "9", "macros" => [ "calorie" => 445.37, "fat" => 41.15, "carb" => 9.25, "protein" => 10.13 ], ], [ "id" => "18", "macros" => [ "calorie" => 457.73, "fat" => 41.92, "carb" => 5.61, "protein" => 10.94 ], ], [ "id" => "19", "macros" => [ "calorie" => 455.22, "fat" => 42.08, "carb" => 5.25, "protein" => 15.81 ] ], [ "id" => "200", "macros" => [ "calorie" => 443.21, "fat" => 35.95, "carb" => 3.86, "protein" => 24.3 ], ] ]; $optimal = [ "calorie" => 447.53, "fat" => 33.22, "carb" => 3.75, "protein" => 25.93 ]; $minMax = [ "calorie" => [ "minimum" => 406.84, "maximum" => 488.21 ], "fat" => [ "minimum" => 28.7, "maximum" => 37.74 ], "carb" => [ "minimum" => 0, "maximum" => 7.5 ], "protein" => [ "minimum" => 22.22, "maximum" => 29.63 ] ]; function sorter(array $array, $optimal, $minMax){ usort($array, function ($a, $b) use ($optimal, $minMax) { // check closeness of protein to optimal $apo = abs($a['macros']['protein'] - $optimal['protein']); $bpo = abs($b['macros']['protein'] - $optimal['protein']); // if not equally close, return the closest if ($apo != $bpo) return $apo <=> $bpo; // same protein difference to optimal, return the one with least carbs return $a['macros']['carb'] <=> $b['macros']['carb']; }); return $array; } print_r(sorter($array, $optimal, $minMax));