Ok, I forgot to note that I'm calling the php from another php.

index.php includes scastxml.php

scastxml.php is where the script is located.

When I go directly to scastxml.php the script works fine.  When I goto index.php which includes the scastxml.php, the script only works if I set the fsockopen timeout to 5 or less.  Can someone explain to me why this happens??

Please try using this CVS snapshot:

  http://snaps.php.net/php4-STABLE-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php4-win32-STABLE-latest.zip

Probably already fixed; please try a snapshot

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On my windows-system with apache 2.0.53 and php 4.3.11 a call to fsockopen with the timeout-parameter seems to change the maximum-execution-time out the complete script to the timeout-value passed to fsockopen.
I the connection-try failes because of a timeout, php raises a fatal error "Fatal error: Maximum execution time of 10 seconds exceeded in test.php on line xxx" and terminates the script-execution.

It should not terminate the script but return FASLE after 10 seconds and than should fill the passed $errstr-var with "Connection timeout" or something like that and the $errno-var with the corresponding error-number.

On this code:

<?php
// This hostname should not answer on the socket-request
// On windows-Systems any call to a non-open port will
// produce a timeout
if ($fp = fsockopen('localhost',12345,$errno, $errstr, 10))
{
  print "connection established";
}

else
{
  print "Error: \"$errstr\" [$errno] occured.";
}

print "\nAfter the fsockopen()"
?>

it should return:
SNIP-->
Error: "Connection timeout" [123] occured.
After the fsockopen()
<--SNIP

but returns
SNIP-->
Warning: fsockopen(): unable to connect to localhost:12345 in D:\htdocs\test.php on line 5

Fatal error: Maximum execution time of 10 seconds exceeded in D:\htdocs\test.php on line 5
<--SNIP

The general error-handling of the fsockopen()-function should fixed to fill the passed $errno and $errstr variables instead of raising warnings.

Greets,
Dennis