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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 |
---|---|
1265 | delete_option('current_theme'); |
1266 | $theme = get_current_theme(); |
1267 |
|
1268 | if ( is_admin() && false === get_option( "theme_mods_$stylesheet" ) ) { |
1269 | $default_theme_mods = (array) get_option( "mods_$theme" ); |
1270 | add_option( "theme_mods_$stylesheet", $default_theme_mods ); |
1271 | } |
1272 |
|
1273 | update_option( 'theme_switched', $old_theme ); |
1274 | do_action( 'switch_theme', $theme ); |
1275 | } |
1276 |
|
1277 | /** |
1278 | * Checks that current theme files 'index.php' and 'style.css' exists. |
1279 | * |
1280 | * Does not check the default theme, which is the fallback and should always exist. |
1281 | * Will switch theme to the fallback theme if current theme does not validate. |
1282 | * You can use the 'validate_current_theme' filter to return FALSE to |
1283 | * disable this functionality. |