PHP syntax
• The PHP script is executed on the server, and the plain HTML result is sent back to
the browser.
• A PHP script can be placed anywhere in the document.
• A PHP script starts with <?php and ends with ?>
Example :
<?php
// PHP code goes here
?>
Opening Tag Closing Tag
<?php ?>
<script language="php"> </script>
• The default file extension for PHP files is ".php".
• A PHP file normally contains HTML tags, and some PHP scripting code.
• Below, we have an example of a simple PHP file, with a PHP script that uses a builtin PHP function "echo" to output the text "Hello World!" on a web page:
Example:-
<!DOCTYPE html>
<html>
<body>
<h1>My first PHP page</h1>
<?php
echo "Hello World!";
?>
</body>
</html>
• Note: PHP statements are terminated by semicolon (;). The closing tag of a block of
PHP code also automatically implies a semicolon (so you do not have to have a
semicolon terminating the last line of a PHP block)
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