TCPDF ERROR Some data has already been output can t send PDF file

0 votes

I keep receiving this error when trying to add my own array into the code. Here is my array;

$array = array(); 
while (odbc_fetch_row($rs)) 
{ 
$array[] = odbc_result($rs,'Product Name'); 
} 
$test = print_r($array);

This code is before the $html variable and when it is set I just add the $test variable into the $html variable. The odbc connection works fine and the example works fine before I add any code but when I run the script I get this error;

Array ( [0] => Test1 [1] => Test2 ) TCPDF ERROR: Some data has already been output, can't send PDF file

And also, are there also more than 2 items included in the Array. Any ideas?

Feb 16, 2022 in Others by Soham
• 9,700 points
1,035 views

1 answer to this question.

0 votes

To answer your question, do add the function ob_end_clean(); before calling the Output function. It worked for me within a custom Wordpress function!

ob_end_clean(); $pdf->Output($pdf_name, 'I');

answered Feb 16, 2022 by Aditya
• 7,660 points

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