PHP/MySQL Broken After Security Update 2010-05; Fix

After applying Security Update 2010-05, some users have reported PHP and MySQL problems, including an inability to connect to MySQL databases.

Apple Discussions poster TriangleJuice reports that the following procedure resolves the database connection issue:

1. In the Terminal type sudo nano /etc/php.ini (Terminal will ask you for your password)


2. Change: mysql.default_socket = to: mysql.default_socket = /tmp/mysql.sock


3. Press Ctrl-O, then Enter to save


4. Type sudo apachectl graceful