How to use MongoDB for data storage in Workerman

Workerman is a high-performance network programming framework based on PHP, which provides rich functions and flexible extensions features, making it easier for developers to build high-performance network applications. MongoDB is a non-relational database known for its high performance, high scalability and flexible data model, and is widely used in large-scale data storage and processing.

In this article, we will introduce how to use MongoDB for data storage in Workerman and provide specific code examples.

Step 1: Install the MongoDB driver
First, make sure that the PHP MongoDB extension driver is installed. You can use the following command to install:

pecl install mongodb

After the installation is complete, you need to enable the MongoDB extension in the php.ini file. You can use the following command to edit the php.ini file:

vim /etc/php.ini

Add the following line of configuration in the php.ini file:

extension=mongodb.so

Save and exit, restart the PHP service to make it effective:

service php-fpm restart

Step 2: Create a database connection
Before using MongoDB in an application, you need to create a database connection. You can create a connection in the Workerman startup function and save it using global variables in the application:

// 引入MongoDB驅(qū)動
require_once __DIR__ . '/mongodb/autoload.php';

use MongoDBClient;

// 創(chuàng)建MongoDB連接
$GLOBALS['mongo'] = new Client('mongodb://localhost:27017');

Step 3: Insert data
After you have a database connection, you can insert data. The following is a simple example to insert a piece of data into the user collection of the database named test:

// 獲取MongoDB的連接
$mongo = $GLOBALS['mongo'];

// 選擇數(shù)據(jù)庫
$db = $mongo->test;

// 選擇集合
$collection = $db->user;

// 插入一條數(shù)據(jù)
$collection->insertOne([
    'name' => 'John',
    'age' => 25,
    'email' => 'john@example.com'
]);

Step 4: Query data
In addition to inserting data, you can also perform data query operations. The following is a simple example to query all users whose age is less than 30 from the user collection of the database named test:

// 獲取MongoDB的連接
$mongo = $GLOBALS['mongo'];

// 選擇數(shù)據(jù)庫
$db = $mongo->test;

// 選擇集合
$collection = $db->user;

// 查詢數(shù)據(jù)
$cursor = $collection->find([
    'age' => ['$lt' => 30]
]);

// 遍歷查詢結(jié)果
foreach ($cursor as $document) {
    var_dump($document);
}

Step 5: Update data
In MongoDB, you can use the updateOne() method to update a piece of data. The following is a simple example to update the mailbox of a user whose age is equal to 25 in the user collection of the database named test:

// 獲取MongoDB的連接
$mongo = $GLOBALS['mongo'];

// 選擇數(shù)據(jù)庫
$db = $mongo->test;

// 選擇集合
$collection = $db->user;

// 更新數(shù)據(jù)
$collection->updateOne(
    ['age' => 25],
    ['$set' => ['email' => 'updated@example.com']]
);

Step 6: Delete data
Finally, you can use the deleteOne() method to delete a piece of data. The following is a simple example to delete the user named John from the user collection of the database named test:

// 獲取MongoDB的連接
$mongo = $GLOBALS['mongo'];

// 選擇數(shù)據(jù)庫
$db = $mongo->test;

// 選擇集合
$collection = $db->user;

// 刪除數(shù)據(jù)
$collection->deleteOne(['name' => 'John']);

Through the introduction of the above steps and specific code examples, I believe readers can successfully use it in Workerman MongoDB performs data storage. I hope this article is helpful to developers, thank you for reading!

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