php hello world
echo "Hello World";php hello world
echo "Hello World";php in html
Basic PHP Syntax
A PHP script can be placed anywhere in the document.
A PHP script starts with <?php and ends with ?>:
<?php
// PHP code goes here
?>
The default file extension for PHP files is ".php".
A PHP file normally contains HTML tags, and some PHP scripting code.
Example
<!DOCTYPE html>
<html>
<body>
<h1>Php in html</h1>
<?php
echo "Hello World!";
?>
</body>
</html>PHP script
You may want to know that removing semicolon is optional sometime but need to know the condition when it can be removed and when it can't be.
-------------------------------------------------------------------------
// Example 1: PHP script with closing tag at the end.
<?php
// php code
// you can remove semicolon
mysqli_close( $db )
?>
// Example 2: PHP script without closing tag at the end.
<?php
// php code
// you can't remove semicolon
mysqli_close( $db )
-----------------------------------------------------------------------Copyright © 2021 Codeinu
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