Fix: send request / receive json data

src/web/server/lib/send_error_code.php

@@ -1,10 +0,0 @@
-<?php
-
-function send_error_code($error_code) {
-    $returnValue = array(
-        'error' => $error_code
-    );
-    echo json_encode($returnValue, JSON_UNESCAPED_UNICODE);
-}
-
-?>

src/web/server/lib/send_reply_json.php

@@ -0,0 +1,35 @@
+<?php
+
+$jsonReply = null;
+
+function set_error_message($message) {
+	global $jsonReply;
+
+	$jsonReply["error"] = $message;
+}
+
+function set_data($name, $data) {
+	global $jsonReply;
+
+	$jsonReply[$name] = $data;
+}
+
+function send_result_success() {
+	global $jsonReply;
+	global $db_conn;
+
+	$jsonReply["result"] = "success";
+	echo json_encode($jsonReply, JSON_UNESCAPED_UNICODE);
+	$db_conn->close();
+}
+
+function send_result_fail() {
+	global $jsonReply;
+	global $db_conn;
+
+	$jsonReply["result"] = "fail";
+	echo json_encode($jsonReply, JSON_UNESCAPED_UNICODE);
+	$db_conn->close();
+}
+
+?>