Swap two variables value without using third variable in php

Swap two variables value without using third variable in php ?

Gaurav , 09 Feb 2018

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Roshan

Answered 09 Feb 2018

$a = $a + $b; // 5 + 6 = 11 $b = $a - $b; // 11 - 6 = 5 $a = $a - $b; // 11 - 5 = 6 print $a . ',' . $b;

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