Learn PHP Tutorial in Hindi 22 Difference among include and include once and require and require onc

This video is made for learning about Difference among include and include once and require and require once statement in PHP in Hindi. Difference include Statement • It is used to tell PHP to fetch a particular file and load all its contents into the current file. include_once Statement • Each time you issue the include directive, it includes the requested file again, even if you’ve already inserted it. • This will produce error messages, because you’re trying to define the same constant or function multiple times. require and require_once Statement • A potential problem with include and include_once is that PHP will only attempt to include the requested file. • Program execution continues even if the file is not found. • When it is absolutely essential to include a file, require and require_once is used.