How to launch a background task from a web page

I have some long running scripts which I need to launch from a web page and
have them run in the background, but which should not cause the web page to
wait until the script finishes. Reading the manual on the backtick and
exec() operators seems to imply that the PHP function will be suspended
until the script finishes, which is not what I want. Is this possible in
PHP?

--
Tony Marston
http://www.tonymarston.net
http://www.radicore.org


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