Which of the following is the correct way to use the global keyword inside a function to access a variable $count defined outside?

easy📝 Syntax Q12 of 15

PHP - Functions

Which of the following is the correct way to use the global keyword inside a function to access a variable $count defined outside?

Aglobal $count;

Buse $count;

Cglobal($count);

Dextern $count;

Step-by-Step Solution

Solution:

Step 1: Recall PHP syntax for global variables
In PHP, to access a global variable inside a function, you write global $variableName; without parentheses.
Step 2: Check each option
global $count; uses correct syntax. use $count; is invalid in PHP. global($count); uses parentheses which is incorrect. extern $count; uses 'extern' which is not a PHP keyword.
Final Answer:
global $count; -> Option A
Quick Check:
Correct syntax = global $var; [OK]

Quick Trick: Use 'global $var;' without parentheses inside functions [OK]

Common Mistakes:

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