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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 |
|---|---|
| 984 | /** |
| 985 | * Filters the site icon URL. |
| 986 | * |
| 987 | * @since 4.4.0 |
| 988 | * |
| 989 | * @param string $url Site icon URL. |
| 990 | * @param int $size Size of the site icon. |
| 991 | * @param int $blog_id ID of the blog to get the site icon for. |
| 992 | */ |
| 993 | return apply_filters( 'get_site_icon_url', $url, $size, $blog_id ); |
| 994 | } |
| 995 | |
| 996 | /** |
| 997 | * Displays the Site Icon URL. |
| 998 | * |
| 999 | * @since 4.3.0 |
| 1000 | * |
| 1001 | * @param int $size Optional. Size of the site icon. Default 512 (pixels). |
| 1002 | * @param string $url Optional. Fallback url if no site icon is found. Default empty. |