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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 |
|---|---|
| 666 | |
| 667 | update_option( 'current_theme', $new_name ); |
| 668 | |
| 669 | if ( is_admin() && false === get_option( 'theme_mods_' . $stylesheet ) ) { |
| 670 | $default_theme_mods = (array) get_option( 'mods_' . $new_name ); |
| 671 | add_option( "theme_mods_$stylesheet", $default_theme_mods ); |
| 672 | } |
| 673 | |
| 674 | update_option( 'theme_switched', $old_theme->get_stylesheet() ); |
| 675 | do_action( 'switch_theme', $new_name, $new_theme ); |
| 676 | } |
| 677 | |
| 678 | /** |
| 679 | * Checks that current theme files 'index.php' and 'style.css' exists. |
| 680 | * |
| 681 | * Does not check the default theme, which is the fallback and should always exist. |
| 682 | * Will switch theme to the fallback theme if current theme does not validate. |
| 683 | * You can use the 'validate_current_theme' filter to return false to |
| 684 | * disable this functionality. |