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PDF Labels using PHP

Posted on 2009-04-09
1
538 Views
Last Modified: 2013-12-13
Hello,

I am not an expert at PHP or MYSQL, but I have been able to piece together a PHP script to create a sheet of labels from a customer database.  I keep getting an error.


Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource in F:\xampp\htdocs\labels.php on line 20

Warning: Cannot modify header information - headers already sent by (output started at F:\xampp\htdocs\PDF_label.php:182) in F:\xampp\htdocs\fpdf.php on line 1022
FPDF error: Some data has already been output to browser, can't send PDF file

Here is the Labels.php file.
Labels.php
 

<?php
 

if(!empty($_POST['labels']))

{
 

define('FPDF_FONTPATH','font/');

require_once('PDF_Label.php');

require('conn.php');

$labels = explode(',', $_POST['labels']);
 

$pdf = new PDF_Label('L7163', 'mm', 1, 2);

$pdf->Open();

$pdf->AddPage();
 

foreach($labels as $labelId)

{

$query = "SELECT CustomerID,FirstName,LastName,PhysAddress1,PhysAddress2,PhysTown,PhysState,PhysZip FROM customers

WHERE WSHave = 'ON'";

$result = mysql_query($query);

$row = mysql_fetch_assoc($result);
 

for($i=1;$i<=40;$i++)

$pdf->Add_PDF_Label(sprintf("%s\n%s\n%s\n%s, %s, %s", $row['FirstName'], $row['LastName'], $row['PhysAddress1'], $row['PhysAddress2'], $row['PhysTown'], $row['PhysState'],$row['PhysZip'] ));
 

}

$pdf->Output();
 

}

?>

<form method="post" action="<?php echo $_SERVER['SCRIPT_NAME'];?>">

List ids separated by a comma: <input type="text" name="labels" /><br>

<input type="submit" value="Generate Labels" />

</form>

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Comment
Question by:hydrazi
1 Comment
 
LVL 14

Accepted Solution

by:
shobinsun earned 500 total points
ID: 24113390
Hello,

"Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource in F:\xampp\htdocs\labels.php on line 20"

Means that your sql query is not correct. Check the table fields. and use 'echo mysql_num_rows($result)' after the line:

$result = mysql_query($query);

You will get the exact number of rows.

Check that.

And for  labels in pdf using FPDF, I have given a good example about that in:

http://www.experts-exchange.com/Web_Development/Web_Languages-Standards/PHP/PHP_Databases/Q_24292268.html?cid=236#a24060272

Hope this will help you.

And 'FPDF error: Some data has already been output to browser, can't send PDF file'

Means that there is another output is generated before pdf output.

Please check that also.

Regards.

0

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