Changes in v*prinf(), NULL Length Arguments, and the implode() Function
Learn about the updated print methods and other features in PHP 8.
Dealing with v*printf() changes
The v*printf() family of functions is a subset of the printf() family of functions that includes vprintf(), vfprintf(), and vsprintf(). The difference between this subset and the main family is that the v*printf() functions are designed to accept an array as an argument rather than an unlimited series of arguments. Here is a simple example that illustrates the difference:
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