| Re: store backslash in mysql database [message #170693 is a reply to message #170692] |
Mon, 15 November 2010 03:16   |
Jerry Stuckle
Messages: 2598
Registered: September 2010
Karma:
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Senior Member |
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On 11/14/2010 10:08 PM, Magno wrote:
> On 11/14/2010 08:18 PM, Peter wrote:
>> In article<MPG(dot)274a7c95e2d635f19896dc(at)news(dot)virginmedia(dot)com>,
>> pete(dot)ivesAll_stRESS(at)blueyonder(dot)co(dot)uk says...
>>> In article<4ce02cdd$0$19902$91cee783(at)newsreader03(dot)highway(dot)telekom(dot)at>,
>>> usenet(at)helmutchang(dot)at says...
>>>> Am 14.11.2010 18:11, schrieb Peter:
>>>>
>>>>
>>>> The bug is not in the part of the encryption script. It is in the part,
>>>> where the encrypted data is stored to the database.
>>>>
>>>> > So, all I could potentially do, as I see it, is include an extra:
>>>> >
>>>> > if, char converted to backslash, then change to a different char.
>>>>
>>>> No! Haven't you read the other answers, concerning
>>>> <http://www.php.net/manual/en/function.mysql-real-escape-string.php>?
>>>>
>>>> There are some characters in strings and blobs, that have to be escaped
>>>> when used in a (My)SQL query. And it's not only the backslash. This
>>>> function does it for you in the correct way! *But*: The escape
>>>> sequences
>>>> are *not* stored in the database. So when you fetch the value again, it
>>>> is exactly as you want it.
>>>>
>>> Sorry, I got a little thrown of the scent here for
>>> mysql_real_escape_string when the disagreements started. I've now taken
>>> a look at the function and it does seem ideal for my purposes.
>>>
>>>
>>
>> Sorry to reply to my own post but...
>>
>> Having read right to the very end, when they say \n is replaced by '\n'
>> litteral, what do they mean? If that means the \n is replaced by a
>> completely different MySQL representation of \n, then is it still going
>> to work for me?
>>
>
> Just use that function and determine by yourself that it works... Don’t
> mind the comment by Jerry, he clearly has a confusion about
> control-characters in PHP.
No, I'm not at all confused by control characters in PHP. But remember
those strings only apply if the they were BUILT IN PHP. Strings built
in another language may or may not work with PHP functions. And there
is no indication of the language used to encrypt the data.
However, you don't seem to understand there can be a difference.
--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
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