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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 |
|---|---|
| 947 | } |
| 948 | |
| 949 | /** |
| 950 | * Filter the HTML output of a list of pages as a drop down. |
| 951 | * |
| 952 | * @since 2.1.0 |
| 953 | * |
| 954 | * @param string $output HTML output for drop down list of pages. |
| 955 | */ |
| 956 | $output = apply_filters( 'wp_dropdown_pages', $output ); |
| 957 | |
| 958 | if ( $echo ) |
| 959 | echo $output; |
| 960 | |
| 961 | return $output; |
| 962 | } |
| 963 | |
| 964 | /** |
| 965 | * Retrieve or display list of pages in list (li) format. |