PHP Stands For PHP Hypertext Pre-Processor. It Is Worlds Widely Used Best Web Development Plat Form Because Of Its Characteristics. PHP Is A Scripting Language Which Can Be Embedded With The Hypertext Markup Language. We Can Create Dynamic Web Pages By Using PHP Scripting Language As Well As Static Web Contents. A Developer Can Perform Number of Tasks By Using This Platform To Create Dynamic Contents On Websites. Basically We Need To Create a Database To Store The PHP Web Sites, For This Process The MYSQL Database Is Used Always.
PHP Language Have Three Tier Architecture Which Contain Front End Back End And Intermediate Between Them To Deliver Queries. Data Can Be Collected By Users For Further Processing and Stored For Future Reference Processes. Mostly PHP Is Used with HTML Language to Development of Dynamic Web pages. Both PHP And MYSQL Works Together, Because Neither PHP Nor MYSQL Works Alone.
If your site is built with an older version of php, it may continue to work the same way as long as you aren’t using any code that’s no longer supported or anything that’s blocked for being unsafe.
Also when servers get upgraded they may or may not support old versions of php. It’s up to the hosting.
Most decent packaged software usually gets upgraded to newer versions of php in time for such a migration, so often you can just upgrade your package and you’ll be OK.
But if your software is written in say php 4 and no upgrade is available, you’ll probably run into problems by the time php 6 becomes the standard. If it worked OK with php 5 you may be safe enough. It all depends on what kind of functions you are using..
The PHP versions currently supported are: PHP 4.4 PHP 5.0, PHP 5.1, PHP 5.2, PHP 5.3 and a special additionally secured version of PHP 5.2 with Suhosin patch.
It is really easy to change PHP versions for your website with a web hosting account with Site Ground. All you need to do is follow these steps:
- Log in to cpanel for your account.
- Go to 1H Software section -> PHP Version Manager
- Navigate to the directory you would like to change the PHP version for (note that the change will apply to sub-directories for it as well)
- Click on the directory name.
- Select the desired PHP version and click Save.