Definition: The word 'RenameFile.php' refers to a file rename script or utility program in PHP, primarily designed to manipulate files within PHP scripts. This script is used for renaming files by specifying their original path and new path after being executed. Definition: - RenameFile.php: A function or script used for altering the names of files in a PHP script. - File name extension: The part of the file name after the ".php" extension, which is included with every modified file. It's usually appended at the end of the original filename. - Original Path and New Path: This parameter specifies the original path where the file needs to be renamed, as well as the new path where it will be renamed to.