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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 |
|---|---|
| 2207 | |
| 2208 | if ( !in_array($scheme, array('http', 'https')) ) |
| 2209 | $scheme = is_ssl() && !is_admin() ? 'https' : 'http'; |
| 2210 | |
| 2211 | $url = $scheme . '://' . $current_site->domain . $current_site->path; |
| 2212 | |
| 2213 | if ( !empty( $path ) && is_string( $path ) && strpos( $path, '..' ) === false ) |
| 2214 | $url .= ltrim( $path, '/' ); |
| 2215 | |
| 2216 | return apply_filters( 'network_home_url', $url, $path, $orig_scheme); |
| 2217 | } |
| 2218 | |
| 2219 | /** |
| 2220 | * Retrieve the url to the admin area for the network. |
| 2221 | * |
| 2222 | * @package WordPress |
| 2223 | * @since 3.0.0 |
| 2224 | * |
| 2225 | * @param string $path Optional path relative to the admin url |