What steps should be taken to ensure proper setup and configuration of PHP extensions like MySQL for command line usage on a Linux server?

To ensure proper setup and configuration of PHP extensions like MySQL for command line usage on a Linux server, you need to make sure the necessary PHP extension is installed and enabled in the php.ini configuration file. Additionally, you may need to install the MySQL client package on your server to enable PHP to communicate with a MySQL database. 

// Check if the MySQL extension is enabled in php.ini
if (!extension_loaded('mysql')) {
    echo "MySQL extension is not enabled. Please enable it in your php.ini configuration file.";
    exit;
}

// Make sure the MySQL client package is installed on the server
if (!function_exists('mysqli_connect')) {
    echo "MySQL client package is not installed. Please install it on your server.";
    exit;
}

// Your PHP code using MySQL commands can now be executed on the command line

Keywords

PHP extensions MySQL command line Linux server configuration

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