How does Empire CMS use network connections?

Empire CMS obtains data from external data sources through the network connection function. The specific steps include: 1. Configure database connection; 2. Create network connection; 3. Execute query; 4. Obtain results. You can get data from an external database by using the query and fetch_array methods to execute queries and get results.

Empire CMS How to use network connection

Empire CMS is an open source PHP content management system (CMS) , which provides network connection capabilities and allows users to obtain data from external data sources.

Usage:

1. Configure database connection

e/config/ in the root directory of the website In the config.php file, configure the database connection information:

<code class="php">$dbhost = "localhost";
$dbuser = "root";
$dbpw = "password";
$dbname = "database_name";</code>

2. Create a network connection

e/class in the root directory of the website /db.class.php file, use the add_connect method to create a network connection:

<code class="php">$linkid = @mysql_connect($dbhost, $dbuser, $dbpw, true);
mysql_select_db($dbname, $linkid);
$this->add_connect($linkid, true);</code>

3. Execute the query

Usequery method executes the query, where $sql is the SQL statement to be executed:

<code class="php">$sql = "SELECT * FROM table_name";
$result = $this->query($sql, $linkid);</code>

4. Get the results

Use fetch_array Method to get query results:

<code class="php">$row = $this->fetch_array($result);</code>

Example:

The following code gets all user data from an external database:

<code class="php">$db = new db;

// 创建网络连接
$linkid = $db->add_connect($dbhost, $dbuser, $dbpw, $dbname);

// 执行查询
$sql = "SELECT * FROM users";
$result = $db->query($sql, $linkid);

// 获取结果
while ($row = $db->fetch_array($result)) {
    echo "用户名：" . $row['username'] . "<br>";
    echo "密码：" . $row['password'] . "<br><br>";
}</code>

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