Can't access global variable inside function
In PHP, if you want to access a global variable inside a function, you need to use the "global" keyword.
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In PHP, if you want to access a global variable inside a function, you need to use the "global" keyword. For example:
Example of accessing a global variable inside a function in PHP
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This will output "outside". Without the "global" keyword, the function would not be able to access the variable $x and would produce an error.