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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 |
|---|---|
| 1722 | } |
| 1723 | |
| 1724 | /** |
| 1725 | * Filters the wp_dropdown_users() HTML output. |
| 1726 | * |
| 1727 | * @since 2.3.0 |
| 1728 | * |
| 1729 | * @param string $output HTML output generated by wp_dropdown_users(). |
| 1730 | */ |
| 1731 | $html = apply_filters( 'wp_dropdown_users', $output ); |
| 1732 | |
| 1733 | if ( $parsed_args['echo'] ) { |
| 1734 | echo $html; |
| 1735 | } |
| 1736 | return $html; |
| 1737 | } |
| 1738 | |
| 1739 | /** |
| 1740 | * Sanitizes user field based on context. |