Calculate the MD5 hash of the text file "test.txt" in PHP

Description

The following code shows how to calculate the MD5 hash of the text file "test.txt".

Example

/*w  w w  .  j  a  v a 2  s . c  om*/
<?php
    $filename = "test.txt";
    $md5file = md5_file($filename);
    echo $md5file;
?>

The code above generates the following result.