Summary: Avoiding Traps When Using PHP 8 Extensions

Key takeaways

• One of the most important concepts we learned is a general trend away from resources and toward objects. We learned where this trend is noticeable in the various PHP extensions and how to develop workarounds to avoid problems in code that rely upon resources.

• We also learned how to detect and develop code to address changes in XML extensions, especially in the SimpleXML and XMLWriter extensions.

• Another important extension with significant changes covered was the mbstring extension.

• We learned to detect code that relies upon changed mbstring functionality.