chgrp(string|array|Traversable $files, string $group, bool $recursive = false) Change the group of an array of files or directories. Parameters string|array|Traversable $files A filename, an array of files, or a \Traversable instance to change group string $group The group name bool $recursive Whether change the group recursively or not Exceptions IOException When the change fail

class Filesystem Provides basic utility to manipulate the file system. Methods copy(string $originFile, string $targetFile, bool $overwriteNewerFiles = false) Copies a file. mkdir(string|array|Traversable $dirs, int $mode = 511) Creates a directory recursively. bool exists(string|array|Traversable $files) Checks the existence of files or directories. touch(string|array|Traversable $files, int $time = null, int $atime = null) Sets access and modification time of file.

class FileStorage extends Storage FileStorage represents a template stored on the filesystem. Methods __construct(string $template) Constructor. from Storage string __toString() Returns the object string representation. from Storage string getContent() Returns the content of the template. Details __construct(string $template) Constructor. Parameters string $template The template name string __toString()

class FilesLoader extends LoaderChain Base loader for loading validation metadata from a list of files. Methods __construct(array $paths) Creates a new loader. bool loadClassMetadata(ClassMetadata $metadata) Loads validation metadata into a {@link ClassMetadata} instance. from LoaderChain Details __construct(array $paths) Creates a new loader. Parameters array $paths An array of file paths bool loadClassMeta

unserialize($serialized) Parameters $serialized

serialize()

bool isFresh(int $timestamp) Returns true if the resource has not been updated since the given timestamp. Parameters int $timestamp The last time the resource was loaded Return Value bool True if the resource has not been updated, false otherwise

string getResource() Return Value string The canonicalized, absolute path to the resource

class FileResource implements SelfCheckingResourceInterface, Serializable FileResource represents a resource stored on the filesystem. The resource can be a file or a directory. Methods __construct(string $resource) Constructor. string __toString() Returns a string representation of the Resource. string getResource() bool isFresh(int $timestamp) Returns true if the resource has not been updated since the given timestamp. serialize() unserialize($serialized)

bool write(Profile $profile) Saves a Profile. Parameters Profile $profile A Profile instance Return Value bool Write operation successful