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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 |
|---|---|
| 1117 | $theme_loc = 'wp-content/themes'; |
| 1118 | $theme_root = ABSPATH.$theme_loc; |
| 1119 | |
| 1120 | $template = get_settings('template'); |
| 1121 | $stylesheet = get_settings('stylesheet'); |
| 1122 | |
| 1123 | if (($template != 'default') && (!file_exists("$theme_root/$template/index.php"))) { |
| 1124 | update_option('template', 'default'); |
| 1125 | update_option('stylesheet', 'default'); |
| 1126 | do_action('switch_theme', 'Default'); |
| 1127 | return false; |
| 1128 | } |
| 1129 | |
| 1130 | if (($stylesheet != 'default') && (!file_exists("$theme_root/$stylesheet/style.css"))) { |
| 1131 | update_option('template', 'default'); |
| 1132 | update_option('stylesheet', 'default'); |
| 1133 | do_action('switch_theme', 'Default'); |
| 1134 | return false; |
| 1135 | } |
| 1136 | |
| 1137 | return true; |
| 1138 | } |
| 1139 | |
| 1140 | function get_broken_themes() { |
| 1141 | global $wp_broken_themes; |
| 1142 | |