Isolate the problem and strace multiple PHP-FPM (FastCGI Process Manager for PHP) processes to identify the culprit.
Monitor PHP-FPM (FastCGI Process Manager) pool using curl utility, cgi-fcgi application or slightly modified Python script that was used to display PHP-FPM pool information.
Display PHP-FPM (FastCGI Process Manager) pool information using UNIX socket and Python script. I thought it would be easy to write a simple FCGI client. Apparently not, but it was an exciting and rewarding experience.
Display PHP-FPM (FastCGI Process Manager) pool information using command-line utilities like curl or cgi-fcgi.
This is just another interesting problem to solve. I have encountered this subtle difference in PHP packages when I moved personal Dokuwiki instance from Debian Jessie to Debian Stretch.
Function to check if user is logged in is is_user_logged_in(). It would return true if user is logged in and false otherwise.
Hide posts from the selected category on the main WordPress page.
After getting fun with Coppermine Photo Gallery for some time, I wanted to achieve a polaroid-like effect (using ImageMagick) for thumbnails and intermediate pictures.