RE: [PHP3] A shl()/shr() function? From: Brian Schaffner (BSchaffner <email protected>)
Date: 09/30/98

those functions are deprecated - use the new bit-shift operators: <<
(left shift) and >> (right shift):

<?
        $x = 1; /* binary: 0000 0001 = 1 */
        $a = $x << 1; /* binary: 0000 0010 = 2 */
        $b = $x << 3; /* binary: 0000 1000 = 8 */
        $c = $x << 6; /* binary: 0100 0000 = 64 */

        echo "$x\n$a\n$b\n$c\n";
?>

-----Original Message-----
From: Rich Clingman [mailto:inlan <email protected>]
Sent: Wednesday, September 30, 1998 12:00 PM
To: php3
Subject: [PHP3] A shl()/shr() function?

I'm looking at encoding binary files for attachment; however, I need a
shift
function.
PHP2 has shl()/shr() (shift left/right), but PHP3 does not. I looked
through all of the PHP3 docs & source and find no equivalent function.
Anyone know of one or a work-around?

Rich Clingman
inlan <email protected> 

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