Solved

duplication insert into SQL

Posted on 2013-02-06
3
290 Views
Last Modified: 2013-02-06
Hay im getting error with line 40 can i get some help its to stop dupication incert into SQL

<?php 

// Read values from form using $_POST (safest) 


$fname=$_POST["vname"]; 


// Connect to server 
// Replace username and password by your details  

$db = @mysql_connect("localhost","root","iqonr301"); 
if (!$db) 
{ 
        do_error("Could not connect to the server"); 
} 


// Connect to the database 
// Note that your database will be called username 

@mysql_select_db("test",$db)or do_error("Could not connect to the database"); 

// Run query 

$sql="INSERT INTO teacher (name) values ('$fname')"; 
$dupesql = "SELECT * FROM table where (name = '$fname')";

$duperaw = mysql_query($dupesql);

if (mysql_num_rows($duberaw) > 0) {
  //your code ...
}
if (mysql_query($sql,$db)) 
{ 
        echo "The following Teacher"; 
        echo "<br>Record: $fname  has been added to          
        database.<p>"; 
} 
else 
{ 
        do_error("Failed to add record"); 
} 

function  do_error($error) 
{ 
        echo  $error; 
        die; 
} 

?>

Open in new window



Notice: Undefined variable: duberaw in C:\xampp\htdocs\insert.php on line 40
 
Warning: mysql_num_rows() expects parameter 1 to be resource, null given in C:\xampp\htdocs\insert.php on line 40
 Failed to add record
0
Comment
Question by:paddy086
  • 2
3 Comments
 
LVL 43

Assisted Solution

by:Chris Stanyon
Chris Stanyon earned 334 total points
ID: 38859587
Line 29 says $duperaw
line 31 says $duberaw

check your spelling :)
0
 
LVL 42

Assisted Solution

by:sedgwick
sedgwick earned 166 total points
ID: 38859618
change line 29 to:
$duperaw = mysql_query($dupesql, $db);

Open in new window

0
 
LVL 43

Accepted Solution

by:
Chris Stanyon earned 334 total points
ID: 38859620
Line 26 is INSERTing from a table called 'teacher'
Line 27 is SELECTing from a table caled 'table'
0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Generating table dynamically is the most common issue faced by php developers.... So it seems there is a need of an article that explains the basic concept of generating tables dynamically. It just requires a basic knowledge of html and little maths…
Things That Drive Us Nuts Have you noticed the use of the reCaptcha feature at EE and other web sites?  It wants you to read and retype something that looks like this.Insanity!  It's not EE's fault - that's just the way reCaptcha works.  But it is …
The viewer will learn how to count occurrences of each item in an array.
This tutorial will teach you the core code needed to finalize the addition of a watermark to your image. The viewer will use a small PHP class to learn and create a watermark.

895 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

18 Experts available now in Live!

Get 1:1 Help Now