Most of the time, photos uploaded by users are not optimized for web. In other words, they might not be using the best file format for their photos, thus taking much more spaces in your server than it actually need. Using PHP, you can easily reduce the file size of those uploaded images during upload time. But of course, when reducing the file size, we sacrifice the image quality. Therefore, if you are running image uploader website, this is not recommended.

oEmbed is a format for allowing an embedded representation of a URL on third party sites. Which means, if we have a video page’s URL, we can easily get the video thumbnail photo, video title, HTML code to embed it in our website and more. But of course, the video site must have oEmbed support in order for us to do that.

We do not often need this but sometimes when we need to retrieve the next auto increment value of a table (without incrementing the auto increment value of course), this solution below will help.

As a web developer, we often need to display dates in our website. As a web user myself, I don’t like to read full dates like “26 November 2011 11:30PM” because it takes me a little while to interpret the date. I prefer reading smart dates like “1 hour ago” or “6 months ago”. Therefore, here I wrote a quick and simple function in PHP that display the time difference/elapsed based on a given timestamp value.

When your website can be accessed via several URLs, such as http://www.example.com & http://example.com, you might want to decide a best URL and use only that URL whenever you link back to your site, because this helps your site in terms of SEO.

In wordpress, if you want to auto convert all URLs in your string into clickable hyperlinks, you can actually do it using the built-in function make_clickable(). If you need to do that outside of wordpress, you can refer to the function’s source code at..