LVS, PHP DBMS read/write Function 추가

DBMS/LVS/README.md

@@ -116,3 +116,104 @@ TCP  180.180.180.143:3306 wrr
 ![source_overview](./images/lvs-elk.png)
 
 
+## PHP DBMS Connection Function
+
+```php
+<?php
+
+//readonly 연결 함수 선언
+function read_db(){
+        $host = "180.180.180.143";
+        $user = "유저아이디";
+        $pass = "패스워드";
+        $database = "디비명";
+
+        $connect = mysql_connect($host, $user, $pass) or die("ERROR!");
+        mysql_query("SET NAMES 'utf8'");
+        mysql_select_db($database, $connect);
+
+        return $connect;
+}
+
+//read/write 연결 함수 선언
+function write_db(){
+        $host = "180.180.180.250";
+        $user = "유저아이디";
+        $pass = "패스워드";
+        $database = "디비명";
+
+        $connect = mysql_connect($host, $user, $pass) or die("ERROR!");
+        mysql_query("SET NAMES 'utf8'");
+        mysql_select_db($database, $connect);
+
+        return $connect;
+}
+
+?>
+```
+
+## PHP DBMS Connection Function
+
+```php
+<?php
+
+//readonly 연결 함수 선언
+function read_db(){
+        $host = "180.180.180.143";
+        $user = "유저아이디";
+        $pass = "패스워드";
+        $database = "디비명";
+
+        $connect = mysqli_connect($host, $user, $pass, $database);
+        if (!$connect) {
+          $error = mysqli_connect_error();
+          $errno = mysqli_connect_errno();
+          exit;
+        }else{
+          mysqli_select_db($connect, $database);
+        }
+
+        return $connect;
+}
+
+//read/write 연결 함수 선언
+function write_db(){
+        $host = "180.180.180.250";
+        $user = "유저아이디";
+        $pass = "패스워드";
+        $database = "디비명";
+
+        $connect = mysqli_connect($host, $user, $pass, $database);
+        if (!$connect) {
+          $error = mysqli_connect_error();
+          $errno = mysqli_connect_errno();
+          exit;
+        }else{
+          mysqli_select_db($connect, $database);
+        }
+
+        return $connect;
+}
+
+?>
+```
+
+## PHP Call Pages Usage Example
+
+- Read Only
+
+```php
+<?php
+  $query = "SELECT ~";
+  $result = mysqli_query(read_db(), $query);
+?>
+```
+
+- Read/Write
+
+```php
+<?php
+  $query = "INSERT/UPDATE/DELETE ~";
+  $result = mysqli_query(write_db(), $query);
+?>
+```