chmod(string|array|Traversable $files, int $mode, int $umask, bool $recursive = false) Change mode for an array of files or directories. Parameters string|array|Traversable $files A filename, an array of files, or a \Traversable instance to change mode int $mode The new mode (octal) int $umask The mode mask (octal) bool $recursive Whether change the mod recursively or not Exceptions IOException When the change fail

Response sendHeaders() Sends HTTP headers. Return Value Response

bool isValueOptional() Returns true if the option takes an optional value. Return Value bool true if value mode is self::VALUE_OPTIONAL, false otherwise

int getType() Return Value int

symlink(string $originDir, string $targetDir, bool $copyOnWindows = false) Creates a symbolic link or copy a directory. Parameters string $originDir The origin directory path string $targetDir The symbolic link name bool $copyOnWindows Whether to copy files if on Windows Exceptions IOException When symlink fails

string getVersion(string $path, string $packageName = null) Gets the version to add to public URL. Parameters string $path A public path string $packageName A package name Return Value string The current version

offsetUnset(string $name) Removes a field from the form. Parameters string $name The field name

string getPosition() Defines the position at which the provider is called. Possible values: preauth, form, http, and rememberme. Return Value string

Definition replaceArgument(int $index, mixed $argument) Sets a specific argument. Parameters int $index mixed $argument Return Value Definition The current instance Exceptions OutOfBoundsException When the replaced argument does not exist

Twig_Node parse(Twig_Token $token) Parses a token and returns a node. Parameters Twig_Token $token A Twig_Token instance Return Value Twig_Node A Twig_Node instance