CRYPT Encryptions in php : 

<?php

echo "<h1>crypt - Salt</h1><hr>";

$salt = "deepak";

$pass = '126464';

$enc_pass = crypt($pass,$salt);

$pass1 = rand(100,999);

$enc_pass1 = crypt($pass1,$salt);

$pass_time = time();

$enc_time1 = crypt($pass_time,$salt);

$pass_date = date("Y-m-d");;

$enc_date = crypt($pass_date,$salt);

echo $enc_pass."<hr>";

echo $enc_pass1."<hr>";

echo $enc_time1."<hr>";

echo $enc_date."<hr>";

echo "crypt character length : ".strlen($enc_date)."<hr>";

echo "<h1>crypt - without salt </h1><hr>";

// without salt

$pass = '1265';

$enc_pass = crypt($pass);

$pass1 = rand(100,999);

$enc_pass1 = crypt($pass1);

$pass_time = time();

$enc_time1 = crypt($pass_time);

$pass_date = date("Y-m-d");;

$enc_date = crypt($pass_date);

echo $enc_pass."<hr>";

echo $enc_pass1."<hr>";

echo $enc_time1."<hr>";

echo $enc_date."<hr>";

echo "crypt character length : ".strlen($enc_date)."<hr>";