remove(string|array|Traversable $files) Removes files or directories. Parameters string|array|Traversable $files A filename, an array of files, or a \Traversable instance to remove Exceptions IOException When removal fails

mkdir(string|array|Traversable $dirs, int $mode = 511) Creates a directory recursively. Parameters string|array|Traversable $dirs The directory path int $mode The directory mode Exceptions IOException On any directory creation failure

mirror(string $originDir, string $targetDir, Traversable $iterator = null, array $options = array()) Mirrors a directory to another. Parameters string $originDir The origin directory string $targetDir The target directory Traversable $iterator A Traversable instance array $options An array of boolean options Valid options are: - $options['override'] Whether to override an existing file on copy or not (see copy()) - $options['copyonwindows'] Whether to copy files instead of links on

string makePathRelative(string $endPath, string $startPath) Given an existing path, convert it to a path relative to a given starting path. Parameters string $endPath Absolute path of target string $startPath Absolute path where traversal begins Return Value string Path of target relative to starting path

bool isAbsolutePath(string $file) Returns whether the file path is an absolute path. Parameters string $file A file path Return Value bool

bool exists(string|array|Traversable $files) Checks the existence of files or directories. Parameters string|array|Traversable $files A filename, an array of files, or a \Traversable instance to check Return Value bool true if the file exists, false otherwise

dumpFile(string $filename, string $content) Atomically dumps content into a file. Parameters string $filename The file to be written to string $content The data to write into the file Exceptions IOException If the file cannot be written to.

copy(string $originFile, string $targetFile, bool $overwriteNewerFiles = false) Copies a file. If the target file is older than the origin file, it's always overwritten. If the target file is newer, it is overwritten only when the $overwriteNewerFiles option is set to true. Parameters string $originFile The original filename string $targetFile The target filename bool $overwriteNewerFiles If true, target files newer than origin files are overwritten Exceptions FileNotFoundException

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

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