Tickets :: Comment on [#3957] call_user_func always passes copy of Turba object to _turba_hook_encode

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Comment	>> True, but it's also useful to be able to modify the object, and part >> of the reason the $this > >> parameter was added. Can you test with using &$this instead of $this >> with the call_user_func > >> syntax? > > > > That works, but you'll always get a reference. Here's an example: > > > > function foo($x) > > { > > $x = 42; > > } > > function bar(&$x) > > { > > $x = 43; > > } > > $y = 0; > > call_user_func('foo', &$y); > > print "$y\n"; # -> 42 > > call_user_func('bar', &$y); > > print "$y\n"; # -> 43 > > > > If the function is called directly you can decide in the hook > function whether you'd like to get a reference or a copy: > > > > function foo($x) > > { > > $x = 42; > > } > > function bar(&$x) > > { > > $x = 43; > > } > > $y = 0; > > foo($y); > > print "$y\n"; # -> 0 > > bar($y); > > print "$y\n"; # -> 43 > > > > I don't know what's more sensible in this case.
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