create admin user magento 1

newAdminMagento1.php

<?php
# Create New admin User programmatically.
require_once('./app/Mage.php');
umask(0);
Mage::app();

try {
$user = Mage::getModel('admin/user')
->setData(array('username' => 'my_username',
'firstname' => 'my_firstname',
'lastname' => 'my_lastname',
'email' => 'my_email@plopcom.fr',
'password'  => 'myPass',
'is_active' => 1
))->save();

} catch (Exception $e) {
echo $e->getMessage();
exit;
}

//Assign Role Id
try {
$user->setRoleIds(array(1))  //Administrator role id is 1 ,Here you can assign other roles ids
->setRoleUserId($user->getUserId())
->saveRelations();

} catch (Exception $e) {
echo $e->getMessage();
exit;
}

echo 'User created successfully';

?>