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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 |
---|---|
3302 | /** |
3303 | * Filter the network admin URL. |
3304 | * |
3305 | * @since 3.0.0 |
3306 | * |
3307 | * @param string $url The complete network admin URL including scheme and path. |
3308 | * @param string $path Path relative to the network admin URL. Blank string if |
3309 | * no path is specified. |
3310 | */ |
3311 | return apply_filters( 'network_admin_url', $url, $path ); |
3312 | } |
3313 |
|
3314 | /** |
3315 | * Retrieve the url to the admin area for the current user. |
3316 | * |
3317 | * @since 3.0.0 |
3318 | * |
3319 | * @param string $path Optional path relative to the admin url. |
3320 | * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. |