Strange problem in basic issue

please help

I'm confused I don't understand ( please find enclosed shootscreen file )

I have an array.
I load 10 elements in the array {0,1,2,...9}
and as result I have sizeof($arr) equal to 11
why ???

thanks in advance

Because you initialized your array wrong.

PHP Code:

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$arr = array(); 


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absolutly you are right.

I've get up at 6AM, next I opened php editor and within 10 sec. I found my fault.
5 hours before (during the night) I check "everything" and I couldn't solve my "problem", but after a few hours' sleep I solved it within few seconds.

sorry, I posted this thread in a rush moment

thanks a lot