php cvs code

<?php
global $coupon;
$sfp = fopen('test.csv','w');   //instead of test.cvs we should have item $description.cvs
// $dfp = fopen('edited.cvs','w'); 

$row=fgetcsv($sfp,10000,",","");
$tetris=off;																			//this var will be kept like this until we get a match on coupon
$i=1; 
while (tetris==off){
					if ($row[i,2]=="unsold"){												// acts only when the row has the unsold tag, otherwise moves on
											$coupon=$row[i,1]$;							// gets the coupon number from the first column
											str_replace("unsold","sold",$row[i,1]); 		// changes the unsold into sold so next time it'll be skipped
											fwrite($sfp,$row); 							// writes the actual new row to the file
											$tetris=on;									// changes tetris to on which will break out the while loop so program ends.
											}
					else {$i++}															// if the if fails, it means the coupon was sold and we need to move down to next row	
					}
fclose($sfp);
?>