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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 |
|---|---|
| 1849 | } |
| 1850 | |
| 1851 | /** |
| 1852 | * Filters the wp_dropdown_users() HTML output. |
| 1853 | * |
| 1854 | * @since 2.3.0 |
| 1855 | * |
| 1856 | * @param string $output HTML output generated by wp_dropdown_users(). |
| 1857 | */ |
| 1858 | $html = apply_filters( 'wp_dropdown_users', $output ); |
| 1859 | |
| 1860 | if ( $parsed_args['echo'] ) { |
| 1861 | echo $html; |
| 1862 | } |
| 1863 | return $html; |
| 1864 | } |
| 1865 | |
| 1866 | /** |
| 1867 | * Sanitizes user field based on context. |