(PHP 4, PHP 5, PHP 7) Deletes a file bool unlink
(PHP 4, PHP 5, PHP 7) Sets access and modification time of file
(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
(PHP 4, PHP 5, PHP 7) Portable advisory file locking
(PHP 4, PHP 5, PHP 7) Gives information about a file or symbolic link
(PHP 4, PHP 5, PHP 7) Creates a temporary file
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