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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 |
|---|---|
| 2092 | |
| 2093 | if ( 'relative' == $scheme ) |
| 2094 | $url = $current_site->path; |
| 2095 | else |
| 2096 | $url = $scheme . '://' . $current_site->domain . $current_site->path; |
| 2097 | |
| 2098 | if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) |
| 2099 | $url .= ltrim($path, '/'); |
| 2100 | |
| 2101 | return apply_filters('network_site_url', $url, $path, $orig_scheme); |
| 2102 | } |
| 2103 | |
| 2104 | /** |
| 2105 | * Retrieve the home url for the current network. |
| 2106 | * |
| 2107 | * Returns the home url with the appropriate protocol, 'https' if |
| 2108 | * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is |
| 2109 | * overridden. |
| 2110 | * |