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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 |
---|---|
3500 | * |
3501 | * @since 2.7.0 |
3502 | * |
3503 | * @param string $url The complete site URL including scheme and path. |
3504 | * @param string $path Path relative to the site URL. Blank string if no path is specified. |
3505 | * @param string|null $scheme Scheme to give the site URL context. Accepts 'http', 'https', 'login', |
3506 | * 'login_post', 'admin', 'relative' or null. |
3507 | * @param int|null $blog_id Site ID, or null for the current site. |
3508 | */ |
3509 | return apply_filters( 'site_url', $url, $path, $scheme, $blog_id ); |
3510 | } |
3511 |
|
3512 | /** |
3513 | * Retrieves the URL to the admin area for the current site. |
3514 | * |
3515 | * @since 2.6.0 |
3516 | * |
3517 | * @param string $path Optional. Path relative to the admin URL. Default empty. |
3518 | * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). |