PHP - Functions
Which of the following is the correct syntax to define a function with a default parameter value in PHP?
Which of the following is the correct syntax to define a function with a default parameter value in PHP?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Review PHP default parameter syntax
In PHP, default values are assigned using the equals sign inside the function parameter list.Step 2: Check each option
function greet($name = "Guest") { echo "Hello, $name!"; } uses correct syntax: $name = "Guest" inside parentheses. Syntaxes using = after the closing parenthesis or colon (:) are invalid. function greet($name) { $name = "Guest"; echo "Hello, $name!"; } assigns default inside the function body, not as a parameter default.Final Answer:
function greet($name = "Guest") { echo "Hello, $name!"; } -> Option AQuick Check:
Default parameter = equals sign in parentheses [OK]
Quick Trick: Use = inside parentheses to set default values [OK]
Common Mistakes:
- Using colon or other symbols instead of =
- Assigning default inside function body instead of parameter list
- Placing default value outside parentheses
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