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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )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.
| Line | Code |
|---|---|
| 1658 | |
| 1659 | /** |
| 1660 | * Filters the query arguments for the list of users in the dropdown. |
| 1661 | * |
| 1662 | * @since 4.4.0 |
| 1663 | * |
| 1664 | * @param array $query_args The query arguments for get_users(). |
| 1665 | * @param array $parsed_args The arguments passed to wp_dropdown_users() combined with the defaults. |
| 1666 | */ |
| 1667 | $query_args = apply_filters( 'wp_dropdown_users_args', $query_args, $parsed_args ); |
| 1668 | |
| 1669 | $users = get_users( $query_args ); |
| 1670 | |
| 1671 | $output = ''; |
| 1672 | if ( ! empty( $users ) && ( empty( $parsed_args['hide_if_only_one_author'] ) || count( $users ) > 1 ) ) { |
| 1673 | $name = esc_attr( $parsed_args['name'] ); |
| 1674 | if ( $parsed_args['multi'] && ! $parsed_args['id'] ) { |
| 1675 | $id = ''; |
| 1676 | } else { |