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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 |
---|---|
1203 | * Filters the HTML output of a list of pages as a drop down. |
1204 | * |
1205 | * @since 2.1.0 |
1206 | * @since 4.4.0 `$parsed_args` and `$pages` added as arguments. |
1207 | * |
1208 | * @param string $output HTML output for drop down list of pages. |
1209 | * @param array $parsed_args The parsed arguments array. |
1210 | * @param WP_Post[] $pages Array of the page objects. |
1211 | */ |
1212 | $html = apply_filters( 'wp_dropdown_pages', $output, $parsed_args, $pages ); |
1213 |
|
1214 | if ( $parsed_args['echo'] ) { |
1215 | echo $html; |
1216 | } |
1217 |
|
1218 | return $html; |
1219 | } |
1220 |
|
1221 | /** |