If you are using XAMPP to develop PHP software (WordPress, Joomla!) on OSX you might want to get some advanced logging output from your code. PHP provides nice error_log() function, but it is silent by default. Here are short instructions how to enable it and follow the log.

Use your favorite editor to edit php.ini file in /Applications/XAMPP/etc/php.ini – sudo priviledges needed, Smultron does it out of the box.

Change lines:

log_errors = Off

;error_log = filename

To:

log_errors = on

error_log = /tmp/php.log

Restart Apache using XAMPP controller in Finder -> Applications.

Now use the following UNIX command to see continuous log flow in your terminal:

tail -f /tmp/php.log

See also the earlier article about XAMPP and file permissions.

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