how to php file code example

Example 1: .php file

<html>

   <head>
      <title>Reading a file using PHP</title>
   </head>
   
   <body>
      
      <?php
         $filename = "abc.txt";
         $file = fopen( $filename, "r" );
         
         if( $file == false ) {
            echo ( "Error in opening file" );
            exit();
         }
         
         $filesize = filesize( $filename );
         $filetext = fread( $file, $filesize );
         fclose( $file );
         
         echo ( "File size : $filesize bytes" );
         echo ( "<pre>$filetext</pre>" );
      ?>
      
   </body>
</html>
        //This is a php File Yes!!!!!

Example 2: what is php file

PHP files can contain text, HTML, CSS, JavaScript, and PHP code.
PHP code is executed on the server, and the result is returned to the browser as plain HTML.
PHP files have extension ".php