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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 |
|---|---|
| 2134 | if ( !empty($plugin) && is_string($plugin) ) { |
| 2135 | $folder = dirname(plugin_basename($plugin)); |
| 2136 | if ( '.' != $folder ) |
| 2137 | $url .= '/' . ltrim($folder, '/'); |
| 2138 | } |
| 2139 | |
| 2140 | if ( !empty($path) && is_string($path) && strpos($path, '..') === false ) |
| 2141 | $url .= '/' . ltrim($path, '/'); |
| 2142 | |
| 2143 | return apply_filters('plugins_url', $url, $path, $plugin); |
| 2144 | } |
| 2145 | |
| 2146 | /** |
| 2147 | * Retrieve the site url for the current network. |
| 2148 | * |
| 2149 | * Returns the site url with the appropriate protocol, 'https' if |
| 2150 | * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is |
| 2151 | * overridden. |
| 2152 | * |