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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 |
|---|---|
| 416 | |
| 417 | function validate_current_theme() { |
| 418 | // Don't validate during an install/upgrade. |
| 419 | if ( defined('WP_INSTALLING') ) |
| 420 | return true; |
| 421 | |
| 422 | if ( get_template() != 'default' && !file_exists(get_template_directory() . '/index.php') ) { |
| 423 | update_option('template', 'default'); |
| 424 | update_option('stylesheet', 'default'); |
| 425 | do_action('switch_theme', 'Default'); |
| 426 | return false; |
| 427 | } |
| 428 | |
| 429 | if ( get_stylesheet() != 'default' && !file_exists(get_template_directory() . '/style.css') ) { |
| 430 | update_option('template', 'default'); |
| 431 | update_option('stylesheet', 'default'); |
| 432 | do_action('switch_theme', 'Default'); |
| 433 | return false; |
| 434 | } |
| 435 | |
| 436 | return true; |
| 437 | } |
| 438 | |
| 439 | function get_theme_mod($name, $default = false) { |
| 440 | $theme = get_current_theme(); |
| 441 | |