What will happen in this function call?<?php function calc($num, $num1) { $sum = $num + $num1; echo $sum; }$n = 20;$n1 = 10;calc($n, $n1); ?>

What will happen in this function call?<?php function calc($num, $num1

1.	What will happen in this function call?<?php function calc($num, $num1) { $sum = $num + $num1; echo $sum; }$n = 20;$n1 = 10;calc($n, $n1); ?>
A.	Call By Reference
B.	Type Hinting
C.	Call By Value
D.	Default Argument Value
E.	None of these
Answer» D. Default Argument Value

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What will happen in this function call?&lt;?php function calc($num, $num1) { $sum = $num + $num1; echo $sum; }$n = 20;$n1 = 10;calc($n, $n1); ?&gt;

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What will happen in this function call?<?php function calc($num, $num1) { $sum = $num + $num1; echo $sum; }$n = 20;$n1 = 10;calc($n, $n1); ?>