I am using Windows 10 and have installed Apache2.4, PHP7.2 and MySQL. I am having trouble installing the driver for pdo_mysql

I have edited my php.ini file, and in the extensions section I have:


I have also set the extension_dir directive to:


In the command console I enter "php -m" and I can see PDO and pdo_mysql both listed.

command console screenshot showing php -m

I have restarted Apache but when I run a .php file including either print_r(PDO::getAvailableDrivers()); or phpinfo(); I can see that I do not have any drivers installed for PDO.

In my httpd.conf file I have

PHPIniDir “C:\php72\”

I have tried changing this to use forward and backslashes, and including and removing the trailing slash, restarting Apache after each change. I still cannot get the pdo_mysql driver to load.

It seems to me that the problem is with Apache not with PHP (as the pdo_mysql module appears when I run php -m in the command console), but I don't understand what I have done wrong. I searched for other people having the same problem but the solution always seemed to be the PHPIniDir, which I think I have set correctly.

The machine I am using was already running IIS so I have Apache listening to port 8090, rather than the default. I am not sure if this is relevant or not.

Any help would be appreciated!

  • PHPIniDir is in the file httpd-xampp.conf in your apache installation folder, perhaps C:\xampp\apache\conf\extra\httpd-xampp.conf, and the line should look something like <IfModule php7_module> PHPINIDir "C:/xampp/php" </IfModule>. – harrymc Sep 22 at 10:44
  • Thanks but I didn't use xampp to install, so I don't have a C:\xampp directory, and I don't have a httpd-xampp.conf file either. – Liam Bell Sep 22 at 16:51
  • My PHPIniDir did not appear inside the IfModule tag as you suggested. I tried wrapping it inside those tags and restarting Apache, but the driver is still not loading. <IfModule php7_module> PHPIniDir “C:/php72/” AddHandler application/x-httpd-php .php LoadModule php7_module "C:\php72\php7apache2_4.dll" </IfModule> – Liam Bell Sep 22 at 17:02

I uninstalled Apache service, deleted C:\Apache24 and installed from scratch, the followed the steps to install pdo_mysql as before which has worked.

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