Re: HELP!! how can arithmetic variables(string) ??
| From: | LKSunny | Date: | Thu, 18 Oct 2007 12:38:14 +0000 |
| Subject: | Re: HELP!! how can arithmetic variables(string) ?? | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-263301@lists.php.net to get a copy of this message | ||
Thank You !
"Colin Guthrie" <gmane@colin.guthr.ie>
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> LKSunny wrote:
>> <?
>> $a="1+1"; //variables(string)
>>
>> //how can arithmetic variables(string) ??
>> //N ROW................
>>
>> //output
>> echo $a //i need output "2" not "1+1"
>> //Please Help, Thank You Very Much !!
>> ?>
>>
>
> You can do:
>
> eval("echo $a;");
>
> But be warned, this has "Injection Attack" written all over it!
>
> Col