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<?php class test { private $f; public function __construct(&$f) { $this->f = &$f; } public function __destruct() { $this->f = function() {"Echo smart ass!\n";}; } } $f = function () use (&$f) { $t = new test($f); print "After this line it the Closure should be destroyed...\n"; }; $f(); $f(); var_dump($f);
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
After this line it the Closure should be destroyed... object(Closure)#3 (1) { ["this"]=> object(test)#2 (1) { ["f":"test":private]=> *RECURSION* } }
Output for hhvm-3.10.0 - 3.12.0
After this line it the Closure should be destroyed... object(Closure$test::__destruct;2028186966)#3 (1) { ["this"]=> object(test)#2 (1) { ["f":"test":private]=> *RECURSION* } }
Output for 5.3.0 - 5.3.29
After this line it the Closure should be destroyed... object(Closure)#3 (0) { }
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/FecdH on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/FecdH on line 11
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/FecdH on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/FecdH on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/FecdH on line 4
Process exited with code 255.