(PECL xdiff >= 0.2.0) Alias of xdiff_file_bdiff

(PHP 4, PHP 5, PHP 7) Deletes a file bool unlink

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Change the root directory

(PHP 4, PHP 5, PHP 7) Sets access and modification time of file

(PHP 4, PHP 5, PHP 7) Open directory handle resource

(PHP 4, PHP 5, PHP 7) Returns a parent directory's path

(PHP 4, PHP 5, PHP 7) Rewind the position of a file pointer

(PHP 4, PHP 5, PHP 7) Create a hard link bool

(PHP 4, PHP 5, PHP 7) Tells whether the filename is executable

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Reads entire file into a string