A Narcissistic number or otherwise known as a pluperfect digital invariant (PPDI) is a number that is equal to the sum of its digits each raised to the power of the number of its digits, it sort of loves itself (its digits), it is also called Armstrong number ... Read More

We will use the MySQL function TIMESTAMPDIFF, the process is simple enough : we check the difference between the last time a user identified by its IP adress viewed our page and the current time, if the said difference is greater than a defined value, we increment the view.... Read More

In this tutorial we will make a class that will make the connection to our sql server. and all other classes will inherit it and extend it for more features. For all our database operations we will use prepared statements as they are more secure against mysql injection.... Read More