Script executes for longer than 30s

HI I wrote a basic script that takes the input of a textfield and passes it onto the system() function and then echo's the result, somethinglike this: <?php $result = system($command); echo $result; ?> The $command is sent from the previous page via text field. Whe I test this and do something like " ping 192.168.0.2", the page keeps on growing and growing, way past 30seconds. My php.ini file is definately set to 30s timeout. Is there something wrong or do I have a misunderstanding of the timeout workings? Thanks '