How to embed PHP code in an HTML page ?

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>

Output:

How to embed PHP code in an HTML page ?

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