$salt1 = "mysite";

   $salt1 = md5($salt1);

   $salt2 = "passed";

   $salt2 = md5($salt2);

   $salt3 = "php";

   $salt3 = md5($salt3);

   $password1 = $salt1.$password1.$salt3;

<?php
/**
 * In this case, we want to increase the default cost for BCRYPT to 12.
 * Note that we also switched to BCRYPT, which will always be 60 characters.
 */
$options = [
    'cost' => 12,
];
echo password_hash("rasmuslerdorf", PASSWORD_BCRYPT, $options)."n";
?>