Posts related to Web Development
Recently I came across lot of code using CSS !important declaration. I had known that this declaration existed but I didn’t knew what it was and had never used it. So than I did my research on it and decided to write a post about it. In this article I will discuss what it is, …
Strings in PHP can be specified in four different ways: single quoted, double quoted, heredoc syntax and (since PHP 5.3.0) nowdoc syntax, the first two of them being by far the most frequently used. It is important to know the difference between using single quotes and double quotes. In this post we will see the …
In some sites we want to keep the Header and Footer always visible and fixed to top and bottom of the screen respectively. In this article I will show how we can implement the sticky (or fixed) header and footer using only HTML and CSS. To create a layout with sticky header and footer can …
I have often come across situations when I would like to implement some functionality based on what the user searched for in a search engine like Google, Bing etc. The search query string is normally passed as GET variables ‘q’ or ‘query’. The function below will return the search query string. Note: Google has recently …
Get search query string from search engines using PHP Read More »
PHP has different functions which can be used to test the value of a variable. Three useful functions for this are isset(), empty() and is_null(). All these function return a boolean value. If these functions are not used in correct way they can cause unexpected results. isset() and empty() are often viewed as functions that …