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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 |
|---|---|
| 835 | */ |
| 836 | function validate_current_theme() { |
| 837 | /** |
| 838 | * Filters whether to validate the current theme. |
| 839 | * |
| 840 | * @since 2.7.0 |
| 841 | * |
| 842 | * @param bool $validate Whether to validate the current theme. Default true. |
| 843 | */ |
| 844 | if ( wp_installing() || ! apply_filters( 'validate_current_theme', true ) ) { |
| 845 | return true; |
| 846 | } |
| 847 | |
| 848 | if ( ! file_exists( get_template_directory() . '/index.php' ) ) { |
| 849 | // Invalid. |
| 850 | } elseif ( ! file_exists( get_template_directory() . '/style.css' ) ) { |
| 851 | // Invalid. |
| 852 | } elseif ( is_child_theme() && ! file_exists( get_stylesheet_directory() . '/style.css' ) ) { |
| 853 | // Invalid. |