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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 |
|---|---|
| 1212 | * |
| 1213 | * @param string $template Template name |
| 1214 | * @param string $stylesheet Stylesheet name. |
| 1215 | */ |
| 1216 | function switch_theme($template, $stylesheet) { |
| 1217 | update_option('template', $template); |
| 1218 | update_option('stylesheet', $stylesheet); |
| 1219 | delete_option('current_theme'); |
| 1220 | $theme = get_current_theme(); |
| 1221 | do_action('switch_theme', $theme); |
| 1222 | } |
| 1223 | |
| 1224 | /** |
| 1225 | * Checks that current theme files 'index.php' and 'style.css' exists. |
| 1226 | * |
| 1227 | * Does not check the default theme, which is the fallback and should always exist. |
| 1228 | * Will switch theme to the fallback theme if current theme does not validate. |
| 1229 | * You can use the 'validate_current_theme' filter to return FALSE to |
| 1230 | * disable this functionality. |