PHP Syntax

A PHP scripting block always starts with <?php and ends with ?> . A PHP scripting block can be placed anywhere in the document. On ...

A PHP scripting block always starts with <?php and ends with ?>. 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 ?>.
For maximum compatibility, we recommend that you use the standard 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.
Below, we have an example of a simple PHP script which sends 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.
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".
Note: The file must have the .php extension. If the file has a .html extension, the PHP code will not be executed.

Comments in PHP

In PHP, we use // to make a single-line comment or /* and */ to make a large comment block.
<html>
<body>
<?php
//This is a comment
/*
This is
a comment
block
*/
?>
</body>
</html>
Name

ADO,131,ASP,3,C++,61,CORE JAVA,1,CSS,115,HTML,297,index,5,JAVASCRIPT,210,OS,47,PHP,65,SAD,53,SERVLETS,23,SOFTWARE ENGINEERING,245,SQL,71,TCP/IP,1,XHTML,9,XML,18,
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Best Online Tutorials | Source codes | Programming Languages: PHP Syntax
PHP Syntax
Best Online Tutorials | Source codes | Programming Languages
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