PHP is a server side scripting language, So PHP script is executed on the server when user load the webpage and return the result back to browser as a plain HTML.
Before writing the php script we need to remember the below few things:
1. A PHP script can be placed anywhere in the document.
2. A PHP script starts with <?php and ends with ?> .
3. To see the result of php code in browser, you need to save the file consists of php code as ".php" extension. eg. [Demo.php]
4. PHP statements end with a semicolon (;).
<?php // write the PHP code goes here ?>
PHP file consists of HTML tags and php scripts. Look below for sample PHP code :
<!DOCTYPE html> <html> <body> <h1>Welcome to first PHP page</h1> <?php echo "Hello Skptricks"; ?> </body> </html>