PHP Default Argument Values Function
PHP allows you to define C++ style default argument values. In such case, if you don't pass any value to the function, it will use default argument value.
Let' see the simple example of using PHP default arguments in function.
Hello Sonoo Hello Ram Hello Vimal
Since PHP 5, you can use the concept of default argument value with call by reference also.
Greeting: Sonoo Jaiswal Greeting: Rahul Jaiswal Greeting: Michael Clark
Addition is: 20 Addition is: 30 Addition is: 80
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