PHP - Functions
What will this PHP code output?
function greet($name = 'User') {
return "Hello, $name!";
}
echo greet('Alice');
echo greet();What will this PHP code output?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Analyze first call greet('Alice')
Argument 'Alice' overrides default, so output is "Hello, Alice!".Step 2: Analyze second call greet() without argument
Default 'User' is used, output is "Hello, User!".Final Answer:
Hello, Alice!Hello, User! -> Option CQuick Check:
Default parameter used only when argument missing [OK]
Quick Trick: Explicit argument overrides default; missing uses default [OK]
Common Mistakes:
- Assuming default always used
- Mixing order of outputs
- Expecting error on missing argument
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