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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 |
---|---|
3541 | /** |
3542 | * Filters the network admin URL. |
3543 | * |
3544 | * @since 3.0.0 |
3545 | * |
3546 | * @param string $url The complete network admin URL including scheme and path. |
3547 | * @param string $path Path relative to the network admin URL. Blank string if |
3548 | * no path is specified. |
3549 | */ |
3550 | return apply_filters( 'network_admin_url', $url, $path ); |
3551 | } |
3552 |
|
3553 | /** |
3554 | * Retrieves the URL to the admin area for the current user. |
3555 | * |
3556 | * @since 3.0.0 |
3557 | * |
3558 | * @param string $path Optional. Path relative to the admin URL. Default empty. |
3559 | * @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin() |