Online PHP editor | output for ktnK9

<?php $location = []; $location[0] = []; $location[0]['name'] = 'Valencia'; $location[0]['latitude'] = 39.46990750; $location[0]['longitude'] = -0.37628810; $location[1] = []; $location[1]['name'] = 'Alanya'; $location[1]['latitude'] = 36.54444300; $location[1]['longitude'] = 31.99540800; $location[2] = []; $location[2]['name'] = 'Side'; $location[2]['latitude'] = 36.77687300; $location[2]['longitude'] = 31.39764400; $location[3] = []; $location[3]['name'] = 'Miami'; $location[3]['latitude'] = 25.79065400; $location[3]['longitude'] = -80.13004550; $location[4] = []; $location[4]['name'] = 'Albufeira'; $location[4]['latitude'] = 37.08907190; $location[4]['longitude'] = -8.24787960; Foreach($location as &$loc){ $loc["calc"] = $loc["latitude"] - $loc["longitude"]; } $sorted = $calc = array_column($location, "calc"); Sort($sorted); $key = array_search($sorted[round((count($sorted)-1)/2,0)], $calc); $median = $location[$key]; Var_dump($median);