Re: Re: foreach questions
| From: | Richard Lynch | Date: | Tue, 01 Jan 2008 23:34:05 +0000 |
| Subject: | Re: Re: foreach questions | ||
| References: | 1 2 3 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-266461@lists.php.net to get a copy of this message | ||
Hit send too soon. Sorry!
On Tue, January 1, 2008 2:05 pm, jekillen wrote:
>>> Several questions:
>>> How long can an index be in an associative array? (the indexes I
>>> use
>>> in this array are 32 character hashes)
As far as I know, it can be as big as your RAM will hold...
>>> Can it start with a number (since a hash can start with a number)
Yes.
A variable name cannot start with a number.
>>> Can I use $index as an array name? (I do not remember off hand what
>>> the reserved key words are)
You can use '$index' if you want, sure.
--
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