(PHP 4, PHP 5, PHP 7) Tells whether the filename is executable
(PHP 5, PHP 7) Write a string to a file int file_put_contents
(PHP 4, PHP 5, PHP 7) Makes directory bool mkdir
(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 5 >= 5.1.0, PHP 7) Format line as CSV and write to file pointer
(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 4, PHP 5, PHP 7) Returns a parent directory's path
(PHP 4, PHP 5, PHP 7) Rewind the position of a file pointer
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