Chapter 8: Learning about PHP 8's Deprecated or Removed Functionality
This chapter walks you through functionality that has been deprecated or removed in PHP Hypertext Preprocessor 8 (PHP 8). This information is extremely important for any developer to know. Any code that uses removed functionality must be rewritten before an upgrade to PHP 8. Likewise, any deprecation is a clear signal to you that you must rewrite any code that depends upon such functionality, or risk problems in the future.
After you have read the material in this chapter and followed the example application code, you can detect and rewrite code that has been deprecated. You can also develop workarounds for functionality that has been removed and learn how to refactor code ...
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