Kill WordPress execution and display HTML message with error message 

If its necessary to stop execution of PHP process in WordPress and show to the user any message with the reason of it, next function will do it:

  How to restrict access to wp-admin using .htaccess 

Apache .htaccess script for access restrictions …

  How to parse link by PHP 

How to make parsing of link query by PHP …

  How to remove text only from tag container by jQuery 

How to remove text nodes only from any tag container …

  Get unique values from JavaScript array 

Get from JavaScript array unique values only …

  How to merge JavaScript objects options 

If its necessary merge 2 or even more JavaScript objects – next function will help in it …

  How to connect the site with in-built iframe 

Sometimes developers should resolve the task – how to connect site which is in iframe tag and the parent site using JavaScript. That was the problem in the past, but not now as we can use HTML5 features. …

  Automatic trash basket cleaning in WordPress 

Dont you ever thing that you can clean WordPress trash basket automatically? …

  How to get city data by IP from maxmind GEO-IP service 

If its necessary get GEO-IP data using maxmind service – next function will do the job …