Definition: The word "addphp" means to add or append something in PHP (PHP Scripting Language) code, typically for a new line in a file. It's akin to adding an extra space between words or lines in the source code of a program. The "php" part is required by PHP for its syntax and allows it to be executed using an interpreted language like Bash, C, Python etc. Definition: In PHP, addphp adds PHP code after (or before) the end of a file or line in order to execute additional script(s). This can include adding functions, variables, or other parts of your program into your PHP file.