> -----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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Mike Ford,  Electronic Information Services Adviser,
Learning Support Services, Learning & Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS,  LS6 3QS,  United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730      Fax:  +44 113 283 3211 

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