How to install pdo_mysql extension in php7

When doing PHP programming, we often need to use the MySQL database. In PHP, the PDO extension is one of the important tools for connecting to the MySQL database. It can provide a database access interface with high efficiency, reusability and security. In versions above PHP 7, you need to go through certain steps to install the PDO_MYSQL extension.

This article will teach you how to install the PDO_MYSQL extension on PHP 7.

1. Preparation before installation

1. You need to install the PHP development environment, including PHP, Apache and MySQL.

2. You need to download the PDO_MYSQL extension, download address:

http://pecl.php.net/package/PDO_MYSQL

3. You need to check your PHP Whether the PDO extension is already installed in the environment. Run the following command in the terminal:

php -m | grep pdo

If you have installed the PDO extension, this command will return something similar to the following:

pdo_mysql
pdo_sqlite
pdo_pgsql
pdo_sqlsrv

2. Install PDO_MYSQL

Next, We will perform different installation methods based on your PHP version and operating system type.

1. Install PDO_MYSQL in CentOS 7

1) Install pdo and pdo_mysql:

yum install php-pdo
yum install php-pdo_mysql

2) Install the Pecl tool:

yum install php-pear

3) Install PDO_MYSQL extension:

pecl install pdo_mysql

4) Modify the php.ini file:

Add the following content at the end of the php.ini file:

extension=pdo_mysql.so

5) Restart Apache:

systemctl restart httpd

2. Install PDO_MYSQL in Ubuntu

1) Install pdo and pdo_mysql:

sudo apt-get install php7.0-mysql
sudo apt-get install php7.0-mysql

2) Install PDO_MYSQL extension:

sudo pecl install pdo_mysql

3) Modify php.ini File:

Add the following content at the end of the php.ini file:

extension=pdo_mysql.so

4) Restart Apache:

sudo service apache2 restart

3. Check whether PDO_MYSQL is installed successfully

Execute the following command to check whether there is already a pdo_mysql extension in your PHP environment:

php -m | grep pdo_mysql

If the execution result contains the "pdo_mysql" extension, the installation is successful.

Summary

Through the method in this article, you can successfully install the PDO_MYSQL extension. Properly installing and configuring extensions is very important for programming development, allowing developers to develop more efficiently. If you encounter problems during the installation process, you can ask questions in the community and the community will provide you with support.

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