Re: adding a space every 4 chars

From:	Justin French	Date:	Fri, 12 Nov 2004 05:20:17 +0000
Subject:	Re: adding a space every 4 chars
References:	1 2	Groups:	php.general
Request:	Send a blank email to php-general+get-201818@lists.php.net to get a copy of this message

On 13/11/2004, at 12:20 AM, Jason Wong wrote:

No idea whether it's the quickest (in terms of cpu time):
    $doo = '123456789';
    $dah = preg_replace('/(\d{4})/', '\\1 ', $doo);
    echo $dah;

Quickest for me is more about lines of code and simplicity, so, thanks!! Justin