Print the result of sha1() and compare hash value with string in PHP

Description

The following code shows how to print the result of sha1() and compare hash value with string.

Example

//  w w w .j a va2s.  c  o  m
<?php
    $str = "Hello";
    echo sha1($str);

    if (sha1($str) == "f7ff9e8b7bb2e09b70935a5d785e0cc5d9d0abf0"){
       echo "<br>Hello world!";
       exit;
    }
?>

The code above generates the following result.