In Facebook, you might have to select all your friends for different inviting purposes. There may be events that you create for which you might want to invite everyone or there might be a Facebook page that you admin where you want to invite all your friends to like. There is no dedicated feature in Facebook which allows you to…
Google Chrome is a high speed web browser which is widely used. It is the top most used browser in many regions around the world. This is because of the fact that Chrome is fast, easy to configure and has a lot of options for developers as well as normal users. Chrome also has a large web store online where…
The site Google.com is the most used search engine in the world. It is a search engine which is smart enough to understand certain special queries and return the results or the answer right on the search results page. But did you know that you can also use it as a timer or your stopwatch? This feature to count to…
Blogger / Blogspot is a blogging platform by Google. It hosts free blogs for its users. But the thing about Blogger is that it is not a lot configurable. It is configurable to an extent with the help of plugins and settings available at Blogger. But since users are given only one XML template file to configure, it is bit…
MySQLi (MySQL Improved) is the new driver which is used to connect to MySQL databases exclusively in PHP. This improved extension has a lot of advantages over the old mysql_query statements. You can take advantages of the new functionality when you upgrade from mysql to mysqli. One of the major advantage you can get is the ability to use the…
To connect to MySQL databases in PHP, the age old mysql_connect API is no longer used. It has been deprecated and will not be supported in future PHP versions. So, there are recommendations everywhere for us to use either PDO (PHP Data Object) or mysqli_connect. Using PDO (PHP Data Objects) PDO supports multiple database types. You can connect to different…
About Object Oriented Programming Object oriented programming (OOP) was introduced in PHP 5. This new technique of programming allows us to define classes and create objects. The aim is to reduce rewriting of the same code again and again while increasing reusability of the available code. OOP also makes it simper to edit and update our code. OOP looks a…
PHP headers are used to send a message to the browser. The message can be something like forward to a new URL, give a 404 error, tell visitors that the page has moved permanently or give a 301 moved permanently status, tell the content type of the page, tell when the page expires or prompt the user to start downloading…
In PHP, you can perform all types of file operations. You can open or create any type of file that you want. You can also read files, write to them or update their content. There are many other things that you can do like forcing a file download while opening it. For websites, files are used to store data. You…
When you have to allow users to upload files using HTML forms and PHP, it is quite simple. All you have to use is $_FILES super global and it will upload the file. You can also set additional options like giving the uploaded file a file name and selecting the upload directory. You can also verify whether the uploaded file…