function swap($x,$y) { $x^=$y^=$x^=$y; return array($x,$y); } list

1. Write a function to swap two values ?
$a = 10;
$b = 20;
echo $a, $b;
swap(); // If u want u can pass parameters
echo $a, $b; // It should print 20 , 10

Question Posted / dinesh kumar

14 Answers
39414 Views
Aquasol, Infosys, TCS, Torque Infotech, I also Faced
E-Mail Answers

Answer Posted / dinesh kumar

function swap($x,$y)
{
$x^=$y^=$x^=$y;
return array($x,$y);
}
list($a,$b)=swap(5,10);
echo $a;
echo $b;

Is This Answer Correct ?

4 Yes

1 No

Post New Answer View All Answers

Please Help Members By Posting Answers For Below Questions

Does php require a web server?

941

What are the different types of PHP arrays?

1046

Can php run without apache?

993

What is the function of string in c?

976

What are the different loops in php?

1026

Explain a resource?

971

What is binary safe function in php?

1021

What does the unset() function mean?

1030

Do you know how to enable error reporting in php?

932

How can you send email in php?

938

Where is session value stored?

959

Tell us how can we access the data sent through the url with the post method?

968

What are the popular content management systems (cms) in php?

889

What is regular expression in php?

962

How would you determine the size of a file in php?

1015