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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 |
|---|---|
| 288 | |
| 289 | return $current_theme; |
| 290 | } |
| 291 | |
| 292 | function get_theme_root() { |
| 293 | return apply_filters('theme_root', ABSPATH . "wp-content/themes"); |
| 294 | } |
| 295 | |
| 296 | function get_theme_root_uri() { |
| 297 | return apply_filters('theme_root_uri', get_option('siteurl') . "/wp-content/themes", get_option('siteurl')); |
| 298 | } |
| 299 | |
| 300 | function get_query_template($type) { |
| 301 | $template = ''; |
| 302 | if ( file_exists(TEMPLATEPATH . "/{$type}.php") ) |
| 303 | $template = TEMPLATEPATH . "/{$type}.php"; |
| 304 | |
| 305 | return apply_filters("{$type}_template", $template); |
| 306 | } |