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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 |
|---|---|
| 2042 | if ( !empty($plugin) && is_string($plugin) ) { |
| 2043 | $folder = dirname(plugin_basename($plugin)); |
| 2044 | if ( '.' != $folder ) |
| 2045 | $url .= '/' . ltrim($folder, '/'); |
| 2046 | } |
| 2047 | |
| 2048 | if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) |
| 2049 | $url .= '/' . ltrim($path, '/'); |
| 2050 | |
| 2051 | return apply_filters('plugins_url', $url, $path, $plugin); |
| 2052 | } |
| 2053 | |
| 2054 | /** |
| 2055 | * Retrieve the site url for the current network. |
| 2056 | * |
| 2057 | * Returns the site url with the appropriate protocol, 'https' if |
| 2058 | * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is |
| 2059 | * overridden. |
| 2060 | * |