RE: [PHP] For ... <= max($myArray) vs For ... <= $max
| From: | Ford, Mike [LSS] | Date: | Fri, 08 Nov 2002 12:10:40 +0000 |
| Subject: | RE: [PHP] For ... <= max($myArray) vs For ... <= $max | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-123356@lists.php.net to get a copy of this message | ||
> -----Original Message-----
> From: Daevid Vincent [mailto:daevid@daevid.com]
> Sent: 08 November 2002 11:13
>
> Is PHP smart enough to optimize loops?
>
> That is, are these two 'for...loops' equivalent or is one slower than
> the other?
>
> $max = max($myArray);
> for( $x = 1; $x <= $length; $x++ ) {}
>
> -- OR --
>
> for( $x = 1; $x <= max($myArray); $x++ ) {}
>
> My gut instinct tells me since PHP is interpreted, that the top one is
> the better way to go, but with the Zend Optimizer, I don't know if PHP
> handles them the same way or not?
With bare PHP, yes the first one is quicker. Don't know if the Zend Optimiser changes that.
Cheers!
Mike
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