php - crypt password get Parse error: syntax error, unexpected '[' in

i developed mvc with php and mysql and pdo in hosting the site appeared this problem in the admin control panel i created its in the login controller

the problem is as shown in browser

Parse error: syntax error, unexpected '[' in /home/trustlabseg/public_html/test/app/C_LoginController.php on line 21

i searched for all the same error in here and its not like that no one solve my problem

the code is

  $password = crypt($_POST['password'], PASSWORD_BCRYPT, ['cost' => 12]);

    $rules = [
                    "username" => "checkReguired|checkStrings",
                    "password" => "checkReguired"
     ];

when i delete the last line the page load but still canot loging
please little help here

and thanks alot

Answer

Use array() for older PHP versions. Additionally, it is spelled "required" (as in to require).

$password = crypt($_POST['password'], PASSWORD_BCRYPT, array('cost' => 12));
$rules = array("username" => "checkRequired|checkStrings", "password" => "checkRequired");