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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 248 | |
| 249 | if ( ! empty($pages) ) { |
| 250 | $output = "<select name='$name'>\n"; |
| 251 | if ( $show_option_none ) |
| 252 | $output .= "\t<option value=''>$show_option_none</option>\n"; |
| 253 | $output .= walk_page_dropdown_tree($pages, $depth, $r); |
| 254 | $output .= "</select>\n"; |
| 255 | } |
| 256 | |
| 257 | $output = apply_filters('wp_dropdown_pages', $output); |
| 258 | |
| 259 | if ( $echo ) |
| 260 | echo $output; |
| 261 | |
| 262 | return $output; |
| 263 | } |
| 264 | |
| 265 | function wp_list_pages($args = '') { |
| 266 | if ( is_array($args) ) |