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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 |
|---|---|
| 7 | if ('activate' == $_GET['action']) { |
| 8 | if (isset($_GET['template'])) { |
| 9 | update_option('template', $_GET['template']); |
| 10 | } |
| 11 | |
| 12 | if (isset($_GET['stylesheet'])) { |
| 13 | update_option('stylesheet', $_GET['stylesheet']); |
| 14 | } |
| 15 | |
| 16 | do_action('switch_theme', get_current_theme()); |
| 17 | |
| 18 | header('Location: themes.php?activated=true'); |
| 19 | } |
| 20 | } |
| 21 | |
| 22 | $title = __('Manage Themes'); |
| 23 | $parent_file = 'themes.php'; |
| 24 | require_once('admin-header.php'); |
| 25 | ?> |