Uh, I was wrong...

Foreach evaluates only once at initialisation... You can even unset
the array once into the loop and it still works perfectly well (not
that I recommend this as good practice or whatever, just did some
checking to be sure :)

Richard


Friday, April 30, 2004, 9:55:14 AM, thus was written:
> * Thus wrote Mattias Thorslund ([EMAIL PROTECTED]):
>> Just a quick follow-up question on that:
>> 
>> Curt Zirzow wrote:
>> 
>> >foreach(array_slice($filenames, 0, 2) as $filename) {
>> > $files[] = "path/to/" . $filelname;
>> >}
>> > 
>> >
>> 
>> Will a function (such as the array_slice here) in a foreach statement
>> get re-evaluated for each iteration, or is it evaluated just once?

> Only once.

>> 
>> In other words, is there anyhing gained by doing:
>> 
>> $short_array = array_slice($filenames, 0, 2);
>> 
>> foreach($short_array as $filename) {
>>  $files[] = "path/to/" . $filelname;
>> }

> Nothing really except mabey that it might be a little readable.


> Curt
> -- 
> "I used to think I was indecisive, but now I'm not so sure."

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