Summary: PHP 8's Functional Additions

Key takeaways

Following are the key points that we cover in this chapter:

• First, we learned about the new nullsafe operator, which allows us to considerably shorten any code in which a chain of object references might fail.

• We also learned how the usage of the ternary operator and the variadics operator has been tightened and improved.

• We learned that the concatenate operator has been demoted in the order of precedence.