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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 |
---|---|
226 | $output .= "$title_before$title_li$title_after\n\t<ul class='xoxo blogroll'>\n"; |
227 | $output .= _walk_bookmarks($bookmarks, $r); |
228 | $output .= "\n\t</ul>\n$category_after\n"; |
229 | } else { |
230 | $output .= _walk_bookmarks($bookmarks, $r); |
231 | } |
232 | } |
233 | } |
234 |
|
235 | $output = apply_filters( 'wp_list_bookmarks', $output ); |
236 |
|
237 | if ( !$echo ) |
238 | return $output; |
239 | echo $output; |
240 | } |
241 |
|
242 | ?> |