On Mon, Jun 16, 2014 at 10:58 PM, Ethan Rosenberg <
erosenb...@hygeiabiomedical.com> wrote:

> Dear List -
>
> I have the following code:
>
> The input from the form is a 10 digit string [1234567890] which is
> converted to phone number format [123-456-7890]
>
> $phn = $_POST[phone];
>  $phn = (string)$phn;
>  $dsh = '-';
>  $Phn = $phn[0].$phn[1].$phn[2].$dsh.$phn[3].$phn[4].$phn[5].$dsh.$
> phn[6].$phn[7].$phn[8].$phn[9];
>     echo $Phn; // this is folded by Thunderbird.  In the script, it is
> //all on one line
>
>     mysql_real_escape_string($Phn);
>     $sql1 ='select Lname, Fname from Customers where Phone = $Phn ';
>     echo $sql1; //this always shows $phn as Phn and not as a numerical
> //string.
>     $result1 = mysqli_query($cxn, $sql1);
>
> TIA
>
> Ethan
>
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>
This page should help you:
http://www.php.net//manual/en/language.types.string.php understand the
difference between single and double quotes.

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