public static function placeholdersFolder(string $extensionKey, string $prefix = 'EXT:'): string {
    $publicFolder = self::publicFolder($extensionKey, $prefix);

    return "${publicFolder}/Placeholders";
  }
public static function placeholdersFolder(string $extensionKey, string $prefix = 'EXT:'): string {
    $publicFolder = self::publicFolder($extensionKey, $prefix);

    return "${publicFolder}/Placeholders";
  }
public static function placeholdersFolder ( string $ extensionKey , string $ prefix = 'EXT:' ) : string { $ publicFolder = self :: publicFolder ( $ extensionKey , $ prefix ) ; return "${publicFolder}/Placeholders" ; }
Gets the placeholders folder from an extension key.

@param string $extensionKey The extension key
@param string $prefix The optional prefix, defaults to `EXT:`
@return string The placeholders folder
Gets the placeholders folder from an extension key .