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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 |
|---|---|
| 2163 | if ( !empty($plugin) && is_string($plugin) ) { |
| 2164 | $folder = dirname(plugin_basename($plugin)); |
| 2165 | if ( '.' != $folder ) |
| 2166 | $url .= '/' . ltrim($folder, '/'); |
| 2167 | } |
| 2168 | |
| 2169 | if ( $path && is_string( $path ) ) |
| 2170 | $url .= '/' . ltrim($path, '/'); |
| 2171 | |
| 2172 | return apply_filters('plugins_url', $url, $path, $plugin); |
| 2173 | } |
| 2174 | |
| 2175 | /** |
| 2176 | * Retrieve the site url for the current network. |
| 2177 | * |
| 2178 | * Returns the site url with the appropriate protocol, 'https' if |
| 2179 | * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is |
| 2180 | * overridden. |
| 2181 | * |