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…
How to Convert Date or Time to any Timezone and Dateformat with PHP
Date manipulation is a common and extremely useful development task. It was never easy with PHP, until PHP5 and DateTime class. There are many cases you need to convert dates.…
Check if a String represents a Valid Timezone with PHP
Sometimes you want to check if a string represents a valid timezone. Using PHP versions greater than 5.2, timezone_identifiers_list() could be a solution. Take a look in the following function:…
Dynamically Bind Params in Prepared Statements with MySQLi
Prepared statements must be used in application development with databases. There are two main reasons: performance: parameterized queries with prepared statements reduces the database load, reusing access plans that were…