rename Renames a file or directory boolrename stringoldname stringnewname resourcecontext Attempts to rename oldname to newname. &return.success; ]]> Prior to PHP 4.3.3, rename could not rename files across partitions on *nix based systems. As of PHP 5.0.0 rename can also be used with some URL wrappers. Refer to for a listing of which wrappers support rename. The wrapper used in oldname MUST match the wrapper used in newname. The context parameter was added as of PHP 5.0.0. See also copy, unlink, and move_uploaded_file.