PHP 8 quiz medium level

Test description

This quiz allows you to evaluate your intermediate-level knowledge of PHP 8.
Topics: OOP, variables, types, functions, classes, exceptions, unions, constructor promotion etc.

Sample questions

1
What is the difference between passing an argument by value and passing an argument by reference?

Arguments are always passed by value.

Arguments are always passed by reference.

When passing by reference, the argument receives a copy of the value.

When passing by reference, the argument points to the same value.

Results between 1-7 / 25	18.56%
Results between 8-14 / 25	31.96%
Results between 15-21 / 25	38.14%
Results between 22-25 / 25	11.34%
Average results 14 / 25

PHP 8 quiz medium level

Test description

Sample questions

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