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  • Swap two variables value without using third variable in php

    @qazi.raza
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    Here is a method. How to swap two variables value without using third variable and temp variable.

    $a = 3;
$b = 2;
$a = $a + $b; // 3 + 2 = 5
$b = $a - $b; // 5 - 2 = 3
$a = $a - $b; // 5 - 3 = 2
print $a;
print $b;

Output:
2
3
    php
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