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[2004-04-01 12:37 UTC] iliaa@php.net
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Last updated: Thu Apr 18 01:01:28 2024 UTC |
Description: ------------ If a variable is passed by reference to a function that returns it as a reference more than once, PHP will hang then crash on exit. I'm guessing it's some kind of garbage collection problem... Reproduce code: --------------- <html> <head><title>Ref Test</title></head> <body> <h1>Ref Test</h1> <? $a = 6 ; echo "<p>{$a}</p>\n" ; $a =& modify ($a) ; echo "<p>{$a}</p>\n" ; $a =& modify ($a) ; ?> </body> </html><? function &modify (&$thing) { $thing += 1 ; return $thing ; } ?> Expected result: ---------------- I expect PHP to exit cleanly upon completion of the script. Actual result: -------------- When the script finishes execution, it hangs and eventually crashes. Note that the function returns cleanly as often as you call it. The hang only occurs once the script has completed.