function swap(){ $a = 10; $b = 20; $a = $a + $b; $b = $a

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 / ranjan

14 Answers
40229 Views
Aquasol, Infosys, TCS, Torque Infotech, I also Faced
E-Mail Answers

Answer Posted / ranjan

function swap(){

$a = 10;
$b = 20;

$a = $a + $b;
$b = $a - $b;
$a = $a - $b;
echo $a, $b;

}

Is This Answer Correct ?

45 Yes

25 No

Post New Answer View All Answers

Please Help Members By Posting Answers For Below Questions

Which php framework is best for security?

1066

Which cryptographic extension provide generation and verification of digital signatures?

987

Explain what is the difference between for and foreach?

1124

What is the difference between get and post in php?

1079

Can we use php variable in javascript?

1065

Explain about a search-friendly site looks like?

900

What is null value in php?

1101

What does the scope of variables mean?

1007

What is memcache?

1024

Is a number php?

1042

Which will check if a function exists?

1129

How to send email using php script?

1097

How many types of errors in php?

1118

What is the purpose of the '.myi' file extension? What do thes file contain?

1027

How to make a class in php?

1022