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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 |
|---|---|
| 718 | * disable this functionality. |
| 719 | * |
| 720 | * @since 1.5.0 |
| 721 | * @see WP_DEFAULT_THEME |
| 722 | * |
| 723 | * @return bool |
| 724 | */ |
| 725 | function validate_current_theme() { |
| 726 | // Don't validate during an install/upgrade. |
| 727 | if ( defined('WP_INSTALLING') || !apply_filters( 'validate_current_theme', true ) ) |
| 728 | return true; |
| 729 | |
| 730 | if ( get_template() != WP_DEFAULT_THEME && !file_exists(get_template_directory() . '/index.php') ) { |
| 731 | switch_theme( WP_DEFAULT_THEME ); |
| 732 | return false; |
| 733 | } |
| 734 | |
| 735 | if ( get_stylesheet() != WP_DEFAULT_THEME && !file_exists(get_template_directory() . '/style.css') ) { |
| 736 | switch_theme( WP_DEFAULT_THEME ); |