Description:
------------
Not every programs escapes enclosure characters, 
so it's should be good to check enclosures by delimiters chars
start =delimiter+enclosure
fin = enclosure+delimiter

TEST data: test.csv [TSV]
1[tab]"NOAA "Official" Emergency"[tab]01/09/2008
2[tab]"Tories "reject" green" panel's advice"[tab]01/09/2008

Reproduce code:
---------------
<?
$handle = fopen('test.csv','rb');
	$row = 1;
	while (($data = fgetcsv($handle, 1000, "\t",'"')) !== FALSE) {
    	$num = count($data);
    	echo "$num fields in line $row\n";
    	$row++;
    	for ($c=0; $c < $num; $c++) {
        	echo "[$c]:".$data[$c]."\n";
    	}
	}
	fclose($handle);
?>

Expected result:
----------------
3 fields in line 1
[0]:1
[1]:NOAA "Official" Emergency
[2]:01/09/2008
3 fields in line 2
[0]:2
[1]:Tories "reject" green" panel's advice
[2]:01/09/2008

Actual result:
--------------
4 fields in line 1
[0]:1
[1]:NOAA Official" Emergency"
[2]:01/09/2008
4 fields in line 2
[0]:2
[1]:Tories reject" green" panel's advice"
[2]:01/09/2008