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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 |
|---|---|
| 1889 | * feature. Possible values include 'post-formats', 'post-thumbnails', 'custom-background', |
| 1890 | * 'custom-header', 'menus', 'automatic-feed-links', and 'html5'. |
| 1891 | * |
| 1892 | * @since 3.4.0 |
| 1893 | * |
| 1894 | * @param bool true Whether the current theme supports the given feature. Default true. |
| 1895 | * @param array $args Array of arguments for the feature. |
| 1896 | * @param string $feature The theme feature. |
| 1897 | */ |
| 1898 | return apply_filters( "current_theme_supports-{$feature}", true, $args, $_wp_theme_features[$feature] ); |
| 1899 | } |
| 1900 | |
| 1901 | /** |
| 1902 | * Checks a theme's support for a given feature before loading the functions which implement it. |
| 1903 | * |
| 1904 | * @since 2.9.0 |
| 1905 | * |
| 1906 | * @param string $feature The feature being checked. |
| 1907 | * @param string $include Path to the file. |