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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 |
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449 |
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450 | function validate_current_theme() { |
451 | // Don't validate during an install/upgrade. |
452 | if ( defined('WP_INSTALLING') ) |
453 | return true; |
454 |
|
455 | if ( get_template() != 'default' && !file_exists(get_template_directory() . '/index.php') ) { |
456 | update_option('template', 'default'); |
457 | update_option('stylesheet', 'default'); |
458 | do_action('switch_theme', 'Default'); |
459 | return false; |
460 | } |
461 |
|
462 | if ( get_stylesheet() != 'default' && !file_exists(get_template_directory() . '/style.css') ) { |
463 | update_option('template', 'default'); |
464 | update_option('stylesheet', 'default'); |
465 | do_action('switch_theme', 'Default'); |
466 | return false; |
467 | } |
468 |
|
469 | return true; |
470 | } |
471 |
|
472 | function get_theme_mod($name, $default = false) { |
473 | $theme = get_current_theme(); |
474 |
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