Sanitize User Input Text with PHP
When you prompt user to input text (e.g. username, lastname etc), you may use Regular expressions to sanitize User Input, for example: allow space, any unicode letter if(preg_match("/[^\040\pL]/u", $term)) {…
Get basename and file extension with PHP or Javascript
Getting file extension and basename is a common development task. PHP internal function pathinfo is very useful. But, Windows paths will not work correctly on Linux servers and vice versa.…
How to Create, Read, Update and Delete Cookies with PHP or Javascript
http is a stateless protocol. A way to remember information from page to page is to use cookies. According to Wikipedia: A cookie, also known as an HTTP cookie, web…
How to check if a Request is AJAX call with PHP
It is useful to prevent direct access of AJAX calls (from browser address bar). A solution could be the following simple function check_is_ajax(): /** * Check if request is an…
PHP and Javascript Internationalization using Gettext and Poedit
The term "localization" is used as a synonym of "internationalization", which is the most proper term. Sometimes, internationalization is shortened to "i18N" (meaning "i - eighteen letters -n"). gettext is…