Which of the following are ways to access a global variable inside a function in PHP?
- Use the global keyword followed by the variable name inside the function.
- Pass the global variable as a parameter to the function.
- Access the variable directly without any special keyword or parameter passing.
- All of the above
All of the given options are valid ways to access a global variable inside a function in PHP. You can use the global keyword followed by the variable name inside the function to indicate that you want to work with the global variable. Alternatively, you can pass the global variable as a parameter to the function. Additionally, global variables can be accessed directly from within the function without any special keyword or parameter passing. Learn more: https://www.php.net/manual/en/language.variables.scope.php#language.variables.scope.global
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