php3/php4 "if" syntax difference?

Anon

Hi =)

On my home box I have PHP4 on windows/apache running, but on the website for which this is written is PHP3. This works perfectly on my local, but not on the linux php3 box. Please would anyone be able to enlighten me? I've urged the owner to upgrade to PHP4, but alas, no joy... yet.

FYI, the script deals with files output by a C program, a 'MUD', at http://wotmud.org/ (ie see tales from the light). These are the boards from the game. because of the way that they are output they are saved and overwritten every 10 minutes or so, so in order to make a 'today's posts' type page I have to go into each, extract the timeand day and compare them to today.

Basically, this is a php4 script that runs through all the files in a directory whose names match a "Boards-> .php" pattern. It then looks in each file and extracts some data (name, title, date), compares dates to today and if they're the same, prints it to the browser. But it won't play on 3, but it's perfect on my local on 4=/.

Any help would be gratefully appreciated.

code:

<?
$foo = (date("D M j"));
print "Today's Messages ($foo)<br>";
$dh = dir ($directory_name);
while ($entry = $dh->read())
{
if (preg_match('/^Boa.*.php/', $entry))
{
$file = fopen("$entry","r");
$text = fread($file ,200);
fclose($file);

		$pos = strpos($text," ("); // GET POINTERS
		$pos2 = strpos($text,") ");
		$pos3 = strpos($text,"::");
		$pos4 = strpos($text,"<BR>");
		$pos5 = ( strpos($text,": ") + 2 );

		$pos3b = ( $pos3 + 2 ) ; // ADJUST POINTERS FOR PUNCTUATION
		$titlelength = ( $pos4 - $pos3 - 2 );
		$title = substr($text,$pos3b,$titlelength);
		$fullnamelength = ( $pos2 - $pos + 2);
		$fullname = substr($text,$pos,$fullnamelength);
		$datelength =  ( $pos - $pos5 );
		$date = substr($text,$pos5,$datelength);
		if ( "$foo" == "$date" )
		{
		print("<a href=$entry>$title</a>$fullname");
		}
	}

}

$dh->close();
?>

The only change is that

$dh = dir ("/home/wot/nass/html.wotmud/boards");

$dh = dir ($directory_name);

on my PC at home.

lyonhaert

well, since you haven't said what the error is (if any), i'm going to take a couple guesses:

in the first if, try putting " instead of ' as the containers of the preg_match() pattern string.

and in the second if, instead of ( "$foo" == "$date" ) use ( strcmp($foo, $date) == 0 )

johaningles

My bad =)

The error is just this: whereas in my local page, the php carries out the

if ( "$foo" == "$date" )
{
print("<a href=$entry>$title</a>$fullname");
}

conditional successfully, on the remote server the same conditional looking at the same files does not get any results. In other words, it just doesn't buy that entire conditional...