[PHP] Re: Mystery foreach error

[Jim Giner]

On 3/12/2013 3:45 PM, Angela Barone wrote:
$zip_short = substr($zip, 0, 3);
foreach ($states[$state] as &$zip_prefix) {   // <-- line 377
     if ($zip_prefix == $zip_short) {
         break;
     } else {
         $match = 'no';
     }
}
I see the & in the foreach.  Since you are not modifying anything in the 
array, why are you using that?
Also - I'm assuming that $states is a multi-dimensional array?

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