How to embed PHP code in an HTML page ?

Last Updated : 12 Feb, 2022

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>