get current PHP realpath_cache_size value

How to set a good PHP realpath_cache_size

Learn how to set a good PHP realpath_cache_size and optimize your PHP performance. . Increasing realpath_cache_size might greatly improve PHP performance, as PHP states: "this value should be increased on systems where PHP opens many files." Setting a correct value for PHP realpath_cache_size can greatly improve PHP performance and optimize WordPress - and other CMS's - websites.

Display commas in WordPress tags

Sometimes you may want to display commas in tag names. For example if you have a business directory listing and want to create one single taxonomy (tag name) "cafe, restaurant, bar". This post shows you how to create a filter in your functions.php file to display WordPress tags with a comma, enjoy!