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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 1178 | $theme_loc = 'wp-content/themes'; |
| 1179 | $theme_root = ABSPATH.$theme_loc; |
| 1180 | |
| 1181 | $template = get_settings('template'); |
| 1182 | $stylesheet = get_settings('stylesheet'); |
| 1183 | |
| 1184 | if (($template != 'default') && (!file_exists("$theme_root/$template/index.php"))) { |
| 1185 | update_option('template', 'default'); |
| 1186 | update_option('stylesheet', 'default'); |
| 1187 | do_action('switch_theme', 'Default'); |
| 1188 | return false; |
| 1189 | } |
| 1190 | |
| 1191 | if (($stylesheet != 'default') && (!file_exists("$theme_root/$stylesheet/style.css"))) { |
| 1192 | update_option('template', 'default'); |
| 1193 | update_option('stylesheet', 'default'); |
| 1194 | do_action('switch_theme', 'Default'); |
| 1195 | return false; |
| 1196 | } |
| 1197 | |
| 1198 | return true; |
| 1199 | } |
| 1200 | |
| 1201 | function get_broken_themes() { |
| 1202 | global $wp_broken_themes; |
| 1203 | |