Frequently Asked Question

I get this error: PHP Fatal error: Undefined class constant ‘MYSQL_ATTR_INIT_COMMAND’
Last Updated 4 years ago

  • PDO and PDO_MySQL libraries are needed. You must enable them in php.ini on the WordPress host.
    On Windows:
    Edit php.ini and uncomment the line: extension=pdo_mysql.so
    Or on Ubuntu:
    sudo php5enmod pdo
    sudo service apache2 reload
    If you don’t have access to these commands, please contact the system administrator of your WordPress server.

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