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

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Find pathnames matching a pattern

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

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

(PHP 4 >= 4.0.3, PHP 5, PHP 7) Tells whether the file was uploaded via HTTP POST

(PHP 4, PHP 5, PHP 7) Closes an open file pointer

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

(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) Create a hard link bool