PHP is very versatile and can be used on a Windows or Unix (Linux) operating system. You should use PHP to interact with databases, process forms, put together web pages that need to be sectioned (such as when you want your menu to be separate from the rest of the page), to process cookies (although JavaScript is sometimes more efficient at this) and for any process that requires you to interact directly with the web server.
Since PHP can be integrated directly in the HTML code of your web pages it is very useful for website development.
It is used to tell the sever to use the PHP parser. To begin php you must use <?php, and to end it, it is ?>.
You can't use PHP in an HTML document, but you can use HTML in PHP script.
Firstly, this is wrong question. The right one would be WHEN should you use PHP, not JSP? or, WHEN should you use PHP and WHEN JSP?
You can find information about how to use PHP 5 on the official PHP website, PHP.net, through the PHP 5 documentation section. Additionally, online tutorials, forums, and books dedicated to PHP programming are great resources to learn how to use PHP 5 effectively.
PHP 5 has a XML parser called SimpleXML that you could use.
You can use phpMailer() Or, you can use mail() PHP function to send emails via PHP script.
PHP certification is received after doing some sort of PHP course, there are many out there to do. You can use them in your CV to help you get a job in PHP.
Facebook uses PHP 5.
There are no PHP tags. Unlike HTML, PHP is not Markup language. They use scripts. An example would be <?php echo "Hello, World!"; ?>
That's PHP Engine.. Allow you to develop PHP Scripts.. you can use it to develop PHP Scripts and test it on your local machine before you send it to server.. (your website)
PHP itself is a scripting language, and uses it's own PHP interpreter (engine).
PHP is an Open Source Scripting Language. We can create Web Pages and Web Applications using PHP.