FPDF image from MySQL major problem

Hello experts!

I am trying to create a pdf from data stored in mysql database. When trying to create the header I cannot get the image from mysql to display.

The image does exist and I can see it if I type the url directly. If I echo $row_search_results['main_photo']
it shows me the correct filename IMG_0791.JPG

But I get the following error if I just try and create the pdf.

Warning: getimagesize() [function.getimagesize]: Filename cannot be empty in /home/survey/public_html/property/fpdf/fpdf.php  on line 1202
FPDF error: Missing or incorrect image file:

If I hard code the image it works fine.

Please help!
Many thanks
$logo = "property_images/".$row_search_results['main_photo']; 


class PDF extends FPDF
//Page header
function Header()

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dovercomputersAuthor Commented:
Fixed it myself.

Must declare glabal variable for use in header function.

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