The following code works correctly on 4.3.1 (and prior) but does not appear to work correctly on 4.3.2RC1.  I have only tested this on Windows XP.

<?
	$fp = fopen("php432.csv.php",'r') or die("Problem");
	while ($data = fgetcsv($fp,1024,",")) {
		$row++;
		if ($row<1) continue;
		$gcf = $data;
	}
	fclose($fp);

	$fp = fopen("php432.csv.php",'w') or die("Problem");
	flock($fp,2);
	for ($i=0;$i<count($gcf);$i++) {
		if ($i==0) $prefx = "<? Header(\"HTTP/1.0 403 Forbidden\");exit; ?>\n";
		else $prefx = "";
		fwrite($fp,$prefx.$gcf[$i].',');
		if ($i<count($gcf)-1) fwrite($fp,',');		
	}
	flock($fp,3);
	fclose($fp);
?>


Here is a simple example of the file that is read in (php432.csv.php):

<? Header("HTTP/1.0 403 Forbidden");exit; ?>
1043203275,localhost,2003-01-21,20:41:15,Anonymous,,,,,,,,blank,Test,,

When run under 4.3.1, it correctly writes out
<? Header("HTTP/1.0 403 Forbidden");exit; ?>
1043203275,localhost,2003-01-21,20:41:15,Anonymous,,,,,,,,blank,Test,,

However, under 4.3.2RC1, it truncates the last digit (5) from the first field.  It writes out
<? Header("HTTP/1.0 403 Forbidden");exit; ?>
104320327,localhost,2003-01-21,20:41:15,Anonymous,,,,,,,,blank,Test,,

There is other erratic behavior also.  If I modify the code to include a header row in line 2, and modify the code accordingly, it will skip the first comma separator like this:

1043203275localhost,2003-01-21,20:41:15,Anonymous,,,,,,,,blank,Test,,.  

I have not included that code for brevity.