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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 |
|---|---|
| 900 | */ |
| 901 | function validate_current_theme() { |
| 902 | /** |
| 903 | * Filters whether to validate the active theme. |
| 904 | * |
| 905 | * @since 2.7.0 |
| 906 | * |
| 907 | * @param bool $validate Whether to validate the active theme. Default true. |
| 908 | */ |
| 909 | if ( wp_installing() || ! apply_filters( 'validate_current_theme', true ) ) { |
| 910 | return true; |
| 911 | } |
| 912 | |
| 913 | if ( |
| 914 | ! file_exists( get_template_directory() . '/templates/index.html' ) |
| 915 | && ! file_exists( get_template_directory() . '/block-templates/index.html' ) // Deprecated path support since 5.9.0. |
| 916 | && ! file_exists( get_template_directory() . '/index.php' ) |
| 917 | ) { |
| 918 | // Invalid. |