PHP - Functions
Why must parameters with default values come after parameters without default values in PHP function definitions?
Why must parameters with default values come after parameters without default values in PHP function definitions?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand parameter assignment rules
When calling a function, PHP assigns arguments to parameters in order. If default parameters come first, it causes confusion about which argument matches which parameter.Step 2: Reason why order matters
Placing parameters with defaults after required ones avoids ambiguity and ensures correct argument matching.Final Answer:
To avoid ambiguity in argument assignment during function calls -> Option DQuick Check:
Default parameters last prevent ambiguity [OK]
Quick Trick: Default parameters last to keep argument matching clear [OK]
Common Mistakes:
- Thinking order affects speed
- Believing PHP disallows default values
- Confusing default values with references
Master "Functions" in PHP
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore PHP Quizzes