PHP - Functions
What is the scope of a variable declared inside a PHP function without using
global?What is the scope of a variable declared inside a PHP function without using global?
easy📝 Conceptual Q11 of 15
Step-by-Step Solution
Solution:
Step 1: Understand variable declaration inside functions
Variables declared inside a function are local by default, meaning they exist only within that function.Step 2: Recall the role of the
Without usingglobalkeywordglobal, the variable does not refer to any global variable with the same name.Final Answer:
It is local to the function only. -> Option DQuick Check:
Local scope = inside function only [OK]
Quick Trick: Variables inside functions are local unless declared global [OK]
Common Mistakes:
- Assuming variables inside functions are global by default
- Confusing local variables with static variables
- Thinking variables inside functions affect global variables automatically
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