(PHP 4, PHP 5, PHP 7) Renames a file or directory

(PHP 4, PHP 5, PHP 7) Checks whether a file or directory exists

(PHP 4, PHP 5, PHP 7) Tests for end-of-file on a file pointer

(PHP 4, PHP 5, PHP 7) Gets inode change time of file

(PHP 5 >= 5.3.2, PHP 7) Get realpath cache entries

(PECL xdiff >= 0.2.0) Alias of xdiff_string_bpatch

(PHP 4, PHP 5, PHP 7) Removes directory bool

(PHP 4, PHP 5, PHP 7) Gets file permissions int

(PHP 4, PHP 5, PHP 7) Gets file modification time

(PHP 4 >= 4.2.0, PHP 5 <= 5.0.5, PHP 7) Truncates file descriptor fd to offset bytes