Source View: pre_user_last_name

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Understanding Source Code

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

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

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
1930      $last_name = empty( $userdata['last_name'] ) ? '' : $userdata['last_name'];
1931
1932      /**
1933       * Filter a user's last name before the user is created or updated.
1934       *
1935       * @since 2.0.3
1936       *
1937       * @param string $last_name The user's last name.
1938       */
1939      $meta['last_name'] = apply_filters( 'pre_user_last_name', $last_name );
1940
1941      if ( empty( $userdata['display_name'] ) ) {
1942           if ( $update ) {
1943                $display_name = $user_login;
1944           } elseif ( $meta['first_name'] && $meta['last_name'] ) {
1945                /* translators: 1: first name, 2: last name */
1946                $display_name = sprintf( _x( '%1$s %2$s', 'Display name based on first name and last name' ), $meta['first_name'], $meta['last_name'] );
1947           } elseif ( $meta['first_name'] ) {
1948                $display_name = $meta['first_name'];