"; echo "y: " . $y . "
"; echo "z: " . $z . "
"; echo "mac: " . $mac . "
"; $filename = "datas.json"; // Read file $dataFile = fopen($filename, "r"); $dataText = fread($dataFile,filesize($filename)); fclose($myfile); // Update JSON $data = json_decode($dataText,true); $data[$mac] = [ "x" => $x, "y" => $y, "z" => $z, ]; // Write to file $dataFile = fopen($filename, "w"); fwrite($dataFile, json_encode($data)); fclose($myfile); echo "success!" ?>