fopen read file code example

Example 1: php file read

<?php
  echo file_get_contents("text.txt");
?>

Example 2: PHP File Open/Read/Close

$myfile= fopen("welcom.txt","w");
echo fwrite($myfile, filesize("welcom.txt"));
fclose($myfile);

Example 3: PHP File Open/Read/Close

require_once "php2/include.php";
echo $varriable;