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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 |
|---|---|
| 2174 | else |
| 2175 | $scheme = ( is_ssl() ? 'https' : 'http' ); |
| 2176 | } |
| 2177 | |
| 2178 | $url = $scheme . '://' . $current_site->domain . $current_site->path; |
| 2179 | |
| 2180 | if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) |
| 2181 | $url .= ltrim($path, '/'); |
| 2182 | |
| 2183 | return apply_filters('network_site_url', $url, $path, $orig_scheme); |
| 2184 | } |
| 2185 | |
| 2186 | /** |
| 2187 | * Retrieve the home url for the current network. |
| 2188 | * |
| 2189 | * Returns the home url with the appropriate protocol, 'https' if |
| 2190 | * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is |
| 2191 | * overridden. |
| 2192 | * |