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

(PHP 4, PHP 5, PHP 7) Alias of

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

(PHP 4, PHP 5, PHP 7) Rewind directory handle

(PHP 5 >= 5.1.0, PHP 7) Format line as CSV and write to file pointer

(PHP 4, PHP 5, PHP 7) Portable advisory file locking

(PECL proctitle >= 0.1.0) Set the process title

(PHP 4, PHP 5, PHP 7) Gives information about a file or symbolic link

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

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