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www.waraxe.us Forum Index -> Newbies corner -> magic_quotes
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magic_quotes
PostPosted: Mon Jul 26, 2004 10:17 pm Reply with quote
icenix
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Posts: 106
Location: Australia




lol "magic_quotes"

please explain lol
cheers Very Happy

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PostPosted: Fri Jul 30, 2004 11:23 pm Reply with quote
hackr3d
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Joined: Jun 13, 2004
Posts: 10




//config.php
...
// We don't like magic_quotes Wink
no_magic_quotes();
...
//end

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????
PostPosted: Sun Aug 01, 2004 8:34 am Reply with quote
icenix
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Joined: May 13, 2004
Posts: 106
Location: Australia




its uses?
what its used for?
*mighty confused*
Question Question Question Question Question Question Question

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PostPosted: Sun Aug 01, 2004 11:28 pm Reply with quote
madman
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Joined: May 24, 2004
Posts: 46




Magic quotes: Sim salabim or abracadabra... Laughing
Hehehe... Just kidding, icenix. Smile

"magic quotes" is a flag or trigger to treat external data (requests, file contents, database fetching) by automatically escaping special characters (mostly single- or double-quotes) if assigned to string variable.

In PHP, magic quotes is adjusted from PHP configuration file (php.ini). In scripting code, PHP provides three "magic quotes" functions, get_magic_quotes_gpc, get_magic_quotes_runtime, and set_magic_quotes_runtime.

get_magic_quotes_gpc() function will return setting in php.ini. This is used to control automatic character's escaping from requests. This code will show you how the function works:
Code:
if (!get_magic_quotes_gpc())
{
  reset($_REQUEST);
  foreach($_REQUEST as $key => $value) $_REQUEST[$key] = addslashes($value);
}


There is no set_magic_quotes_gpc() because this setting is read only, even you try to change it using ini_set() function. ( simple reason because this has no effects since request variables already loaded before the script begin. Make sense to me Smile )

get_magic_quotes_runtime and set_magic_quotes_runtime used to control automatic character's escaping from database or loading file data. By default (original php config) this function is off. You can force the setting by calling set_magic_quote_runtime() anywhere and anytime within the script. It advisable to leave this setting off, or put a code that always executed in the beginning from any of script files:
Code:
set_magic_quotes_runtime(0);


This is ensure binary data also retrieved properly. Binary data including but not limited to image files, blob in database, etc.

This is an example of evaluating retrieved data regarding to magic quotes runtime status:
Code:
$file_data = getfiledata('image.gif');
$db_blob = getblob_from_database('myblob');
if (get_magic_quotes_runtime())
{
  $file_data = stripslashes($file_data);
  $db_blob = stripslashes($db_blob);
}


I hope this "short tutorial" is useful for everyone. Smile

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thnx
PostPosted: Wed Aug 04, 2004 10:16 pm Reply with quote
icenix
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thankyou very much madman Very Happy

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PostPosted: Thu Aug 05, 2004 4:09 am Reply with quote
LINUX
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good info madman Cool
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