PHP code is executed on the server, and the plain HTML result is sent
to the browser.
to the browser.
Basic PHP Syntax
A PHP scripting block always starts with <?php and ends with ?>.
A PHP scripting block can be placed anywhere in the document.
A PHP scripting block can be placed anywhere in the document.
On servers with shorthand support enabled you can start a scripting block
with <? and end with ?>.
with <? and end with ?>.
For maximum compatibility, we recommend that you use the standard
form (<?php) rather than the shorthand form.
form (<?php) rather than the shorthand form.
<?php
?>
A PHP file normally contains HTML tags, just like an HTML file,
and some PHP scripting code.
and some PHP scripting code.
Below, we have an example of a simple PHP script which sends
the text "Hello World" to the browser:
the text "Hello World" to the browser:
<html>
<body>
<?php
echo "Hello World";
?>
</body>
</html>
Each code line in PHP must end with a semicolon. The semicolon is a
separator and is used to distinguish one set of instructions from another.
separator and is used to distinguish one set of instructions from another.
There are two basic statements to output text with PHP: echo and print.
In the example above we have used the echo statement to output the
text "Hello World".
In the example above we have used the echo statement to output the
text "Hello World".
Note: The file must have a .php extension. If the file has a .html extension,
the PHP code will not be executed.
the PHP code will not be executed.
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