What will be the output of the following PHP code?
<?php
function sum($num1, $num2)
{
$total = $num1 + $num2;
echo "cos($total)";
}
sum(5,-5);
?>
<?php
function sum($num1, $num2)
{
$total = $num1 + $num2;
echo "cos($total)";
}
sum(5,-5);
?>A. 0
B. 1
C. 0.5
D. -0.5
Answer: Option B
Solution(By Examveda Team)
cos() gives the cos value of the argument. Here the function returns 1.Related Questions on Functions
Which one of the following is the right way of defining a function in PHP?
A. function { function body }
B. data type functionName(parameters) { function body }
C. functionName(parameters) { function body }
D. function fumctionName(parameters) { function body }
A. Call By Value
B. Call By Reference
C. Default Argument Value
D. Type Hinting
Join The Discussion