Swapping of Two Numbers in PHP

 A simple program to demonstrate how to swap two numbers in PHP programming language.

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Program Listing

index.php

<?php  

$a = 400;  

$b = 800;  

echo "<h2>Swapping of Two Values in PHP";

echo "<br><br>";

echo "Before swapping:<br>";  

echo "a =".$a."  b=".$b; 

echo "<br><br>"; 

// Swapping of Values 

$third = $a;  

$a = $b;  

$b = $third;  

echo "After swapping:<br>";  

echo "a =".$a."  b=".$b; 

echo "</h2>";

?>