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php code for executing any select and insert query

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  #1  
Old March 30th, 2004, 11:47 AM
gizmoh gizmoh is offline
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Exclamation php code for executing any select and insert query
Am trying to have a code that executes any Select and Insert query to any table and echoes the results.Am new to programming so plz excuse my dumb errors
Please test and complete this code for me.
Thanks
PHP Code:
require("../../../forum/admin/config.php"); //connection settings
$db = $dbname;  $link = mysql_connect( $servername, $dbusername, $dbpassword );
        if ( ! $link )            die( "no" );        mysql_select_db( $db, $link )                
                                        or die ( "no" );


$query =$HTTP_POST_VARS['en'];
mysql_query( $query, $link );
$result = @mysql_query($query);            
while($query_data= mysql_fetch_array($result) )
{

    echo$ = $query_data[0]; //plz anyone complete that part so that any data is outputted

} 
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  #2  
Old March 30th, 2004, 12:27 PM
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dhouston dhouston is offline
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Your main problem is probably that you're suppressing errors in your call to mysql_query(). That's what the "@" does. Remove that and add a die statement afterward as you've done above. To make your die statement more meaningful, try "die(mysql_error())" to get the actual mysql error. Also, you've got a weird $ after your echo. Dump that. Also, this shouldn't cause an error, but consider using $_POST rather than $HTTP_POST_VARS. It's easier to type in addition to being more up to date.
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  #3  
Old March 30th, 2004, 12:54 PM
gizmoh gizmoh is offline
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ok.here is what i come with.But queries passed with single or double quote are not working. the following \ is added before each double quote.Any way to solve that?
PHP Code:
require("../../../forum/admin/config.php"); 
$db = $dbname;  $link = mysql_connect( $servername, $dbusername, $dbpassword ); 
      if ( ! $link )         die( "no" );      mysql_select_db( $db, $link )             
                              or die ( "no" ); 


$query = $_POST['en']; 
mysql_query( $query, $link ); 
$result = mysql_query($query) or die(mysql_error());          
while($query_data= mysql_fetch_assoc($result) ) 
{ 
    foreach($query_data as $value) echo $value."<br />"; 
} 
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  #4  
Old March 30th, 2004, 01:01 PM
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dhouston dhouston is offline
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What error do they come back with? You probably just need to wrap addslashes() around the query to escape quotes.

Incidentally, it's a very bad idea to allow people to post arbitrary queries to be executed. Imagine somebody guesses (correctly) that you've got a table named "users" and they send the query "DELETE FROM users."
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  #5  
Old March 30th, 2004, 01:27 PM
gizmoh gizmoh is offline
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I think its the contrary that needs to be done.I am passing a query not the data that needs to be inserted in the DB.
If i use the addslashes function the the query us again modified and added a slash for every quote..
How to preserve the query with its quotes?
Error:
You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near '\"nm\"' at line 1
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  #6  
Old March 30th, 2004, 01:29 PM
gizmoh gizmoh is offline
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LOL
the contrary:
stripslashes()
dhouston thanks for putting me on the path
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