How to connect SuiteCRM to an external database through PHP

How to connect SuiteCRM to an external database through PHP

Overview:
SuiteCRM is a powerful open source CRM system that provides many convenient functions to manage customer relationships. However, sometimes we need to connect SuiteCRM with an external database to easily operate and manage data. This article will introduce how to connect SuiteCRM to an external database through PHP, and provide some sample code to help readers better understand.

Step 1: Preparation

1. Ensure that the appropriate PHP version and compiled related extensions have been installed.
2. Make sure SuiteCRM has been installed correctly and the database is available.

Step 2: Edit the configuration file

1. Open the SuiteCRM configuration file config.php, which is usually located in the root directory of SuiteCRM.

2. Search for the DATABASE_CONFIG variable and modify the relevant configuration, for example:

   'db_host_name' => 'localhost', // 数据库主机名
   'db_user_name' => 'username', // 数据库用户名
   'db_password' => 'password', // 数据库密码
   'db_name' => 'suitecrm', // 数据库名称
   'db_type' => 'mysqli', // 数据库类型

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3. Save the configuration file.

Step 3: Write the connection code

1. Create a PHP file independent of SuiteCRM, for example: connect_external_db.php.

2. In this file, use the following code example to connect to the external database:

   <?php
   $host = 'external_db_host_name'; // 外部数据库主机名
   $user = 'external_db_user_name'; // 外部数据库用户名
   $password = 'external_db_password'; // 外部数据库密码
   $dbname = 'external_db_name'; // 外部数据库名称
   
   // 创建与外部数据库的连接
   $conn = new mysqli($host, $user, $password, $dbname);
   
   // 检查连接是否成功
   if ($conn->connect_error) {
       die("连接外部数据库失败: " . $conn->connect_error);
   }
   
   // 连接成功后的操作
   // 例如执行查询语句
   $sql = "SELECT * FROM external_table";
   $result = $conn->query($sql);
   if ($result->num_rows > 0) {
       while($row = $result->fetch_assoc()) {
           echo "字段1: " . $row["field1"]. " - 字段2: " . $row["field2"]. "<br>";
       }
   } else {
       echo "0 结果";
   }
   
   // 关闭与外部数据库的连接
   $conn->close();
   ?>

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3. Modify the relevant variables in the code, such as the external database hostname, username, password and database name.
4. Save the file to the appropriate directory.

Step 4: Test the connection

1. Open the browser and access the PHP file connected to the external database, for example: http://localhost/connect_external_db.php.
2. Check whether the connection is successful and whether the data is obtained normally.

Summary:
Through the above steps, you can easily connect SuiteCRM to an external database through PHP. This will give you more flexibility in managing and manipulating your data. The above is just a simple sample code, you can modify and extend it according to your own needs. I wish you success!

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