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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 |
|---|---|
| 2115 | |
| 2116 | if ( !in_array($scheme, array('http', 'https')) ) |
| 2117 | $scheme = is_ssl() && !is_admin() ? 'https' : 'http'; |
| 2118 | |
| 2119 | $url = $scheme . '://' . $current_site->domain . $current_site->path; |
| 2120 | |
| 2121 | if ( !empty( $path ) && is_string( $path ) && strpos( $path, '..' ) === false ) |
| 2122 | $url .= ltrim( $path, '/' ); |
| 2123 | |
| 2124 | return apply_filters( 'network_home_url', $url, $path, $orig_scheme); |
| 2125 | } |
| 2126 | |
| 2127 | /** |
| 2128 | * Retrieve the url to the admin area for the network. |
| 2129 | * |
| 2130 | * @package WordPress |
| 2131 | * @since 3.0.0 |
| 2132 | * |
| 2133 | * @param string $path Optional path relative to the admin url. |