PHP is the abbreviation of Hypertext Preprocessor and earlier it was abbreviated as Personal Home Page.
We can use PHP in HTML code by simply adding a PHP tag without doing any extra work.
Example 1: First open the file in any editor and then write HTML code according to requirement. If we have to add PHP code then we can add by simply adding <?php ….. ?> tags in between and add your PHP code accordingly.
PHP
<!DOCTYPE html> <html> <head>
<title>PHP</title>
</head>
<body>
<h1>
<?php
echo "hii GeeksforGeeks "
?>
</h1>
</body>
</html> |
Output:
Example 2: In this, we can use PHP code in different lines so that we can make a webpage according to the need and put code wherever necessary as shown in the below example
PHP
<html> <body> <h2>Welcome to GeeksforGeeks</h2>
<?php
echo "Good morning";
?>
<p>Good to see you</p>
<?php
$str = "This is GeeksforGeeks portal";
echo " $str.";
?>
</body> </html> |
Output:
Example 3: In this, we use PHP code in HTML document using the post method where we can pass value in HTML form and receive in the PHP post method.
PHP
<html> <body> <form method="post" action="<?php echo $_SERVER['PHP_SELF'];?>">
Name: <input type="text" name="fname">
<input type="submit">
</form>
<?php
if ($_SERVER["REQUEST_METHOD"] == "POST")
{
$str = $_POST['fname'];
if (empty($str))
{
echo "String is empty";
}
else {
?>
<h1>
<?php echo $str ?>
</h1>
<?php
}
}
?>
</body> </html> |
Output: