Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: pre_user_login

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
1440      /**
1441       * Filters a username after it has been sanitized.
1442       *
1443       * This filter is called before the user is created or updated.
1444       *
1445       * @since 2.0.3
1446       *
1447       * @param string $sanitized_user_login Username after it has been sanitized.
1448       */
1449      $pre_user_login = apply_filters( 'pre_user_login', $sanitized_user_login );
1450
1451      //Remove any non-printable chars from the login string to see if we have ended up with an empty username
1452      $user_login = trim( $pre_user_login );
1453
1454      // user_login must be between 0 and 60 characters.
1455      if ( empty( $user_login ) ) {
1456           return new WP_Error('empty_user_login', __('Cannot create a user with an empty login name.') );
1457      } elseif ( mb_strlen( $user_login ) > 60 ) {
1458           return new WP_Error( 'user_login_too_long', __( 'Username may not be longer than 60 characters.' ) );