How can global class variables be accessed using include in PHP?

Global class variables can be accessed using the `global` keyword within a function or method to reference the variable from the global scope. To access global class variables using `include` in PHP, you can define the global variable outside the class and then include the file containing the class definition within the function or method where you need to access the global variable. 

// global variable
$globalVar = 'Hello, world!';

// include file containing the class definition
include 'your_class_file.php';

class YourClass {
    public function getGlobalVar() {
        global $globalVar;
        return $globalVar;
    }
}

// create an instance of the class
$obj = new YourClass();

// access the global variable using the class method
echo $obj->getGlobalVar();

Keywords

global variables class variables include PHP access

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