function user_password

Same name in other branches
  1. 9 core/modules/user/user.module \user_password()
  2. 8.9.x core/modules/user/user.module \user_password()

Generate a random alphanumeric password.

12 calls to user_password()
DBLogTestCase::doUser in modules/dblog/dblog.test
Generates and then verifies some user events.
DrupalWebTestCase::drupalCreateUser in modules/simpletest/drupal_web_test_case.php
Create a user with a given set of permissions.
openid_form_user_register_form_alter in modules/openid/openid.module
Implements hook_form_FORM_ID_alter().
TriggerOtherTestCase::testActionsUser in modules/trigger/trigger.test
Tests triggering on user create and user login.
UpdateScriptFunctionalTest::testUpdateAccess in modules/system/system.test
Tests access to the update script.

... See full list

File

modules/user/user.module, line 717

Code

function user_password($length = 10) {
    // This variable contains the list of allowable characters for the
    // password. Note that the number 0 and the letter 'O' have been
    // removed to avoid confusion between the two. The same is true
    // of 'I', 1, and 'l'.
    $allowable_characters = 'abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789';
    // Zero-based count of characters in the allowable list:
    $len = strlen($allowable_characters) - 1;
    // Declare the password as a blank string.
    $pass = '';
    // Loop the number of times specified by $length.
    for ($i = 0; $i < $length; $i++) {
        do {
            // Find a secure random number within the range needed.
            $index = ord(drupal_random_bytes(1));
        } while ($index > $len);
        // Each iteration, pick a random character from the
        // allowable string and append it to the password:
        $pass .= $allowable_characters[$index];
    }
    return $pass;
}

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