PHP 8.0 adds support for several functions- and methods-related features, including enhanced callable syntax, named function arguments, and Fibers, which are interruptible functions that add ...

While specific connectivity functions will depend on the type of database you are using, for databases that support it, PHP offers the pconnect function.

create_function is a deprecated function in PHP that was used to create anonymous functions. It is no longer recommended to use this function as it has been removed in PHP 8.0.