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

(PHP 4, PHP 5, PHP 7) Output all remaining data on a file pointer

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

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

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

(PHP 4, PHP 5, PHP 7) Creates a temporary file

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

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

(PHP 5, PHP 7) Write a string to a file int file_put_contents

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