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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 |
|---|---|
| 857 | */ |
| 858 | function validate_current_theme() { |
| 859 | /** |
| 860 | * Filters whether to validate the active theme. |
| 861 | * |
| 862 | * @since 2.7.0 |
| 863 | * |
| 864 | * @param bool $validate Whether to validate the active theme. Default true. |
| 865 | */ |
| 866 | if ( wp_installing() || ! apply_filters( 'validate_current_theme', true ) ) { |
| 867 | return true; |
| 868 | } |
| 869 | |
| 870 | if ( |
| 871 | ! file_exists( get_template_directory() . '/templates/index.html' ) |
| 872 | && ! file_exists( get_template_directory() . '/block-templates/index.html' ) // Deprecated path support since 5.9.0. |
| 873 | && ! file_exists( get_template_directory() . '/index.php' ) |
| 874 | ) { |
| 875 | // Invalid. |