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tiaonlab on 04/04/07


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bitwise odd even


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shachi


Test if a number is odd or even using bitwise operator

Published in: PHP 

URL: http://www.tiaon.com/wordpress/2007/03/27/the-quicker-way-to/

In PHP & or AND is a bitwise operator. When used it performs bitwise operation between two numbers. In the following example, the operator will test if the last bit of $number is 1. Thus successfully tests if $number is even or odd.

Plain TextExpand 
  1. $number & 1;

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