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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 |
|---|---|
| 943 | * |
| 944 | * @param string $template Template name |
| 945 | * @param string $stylesheet Stylesheet name. |
| 946 | */ |
| 947 | function switch_theme($template, $stylesheet) { |
| 948 | update_option('template', $template); |
| 949 | update_option('stylesheet', $stylesheet); |
| 950 | delete_option('current_theme'); |
| 951 | $theme = get_current_theme(); |
| 952 | do_action('switch_theme', $theme); |
| 953 | } |
| 954 | |
| 955 | /** |
| 956 | * Checks that current theme files 'index.php' and 'style.css' exists. |
| 957 | * |
| 958 | * Does not check the 'default' theme. The 'default' theme should always exist |
| 959 | * or should have another theme renamed to that template name and directory |
| 960 | * path. Will switch theme to default if current theme does not validate. |
| 961 | * You can use the 'validate_current_theme' filter to return FALSE to |