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run code in 150+ php & hhvm versions
Bugs & Features
<?php class bad { private $_private = array(); public function __construct() { $this->_private[] = 'oh noes'; } public function __destruct() { //echo "bad::destructor\n"; global $bar; $bar = $this->_private; } } $foo = new stdclass; $foo->foo = $foo; $foo->bad = new bad; print_r($foo); gc_disable(); for ($i=0; $i < 10; $i++) { $deep_clone = clone $foo; gc_collect_cycles(); var_dump($i); }
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
stdClass Object ( [foo] => stdClass Object *RECURSION* [bad] => bad Object ( [_private:bad:private] => Array ( [0] => oh noes ) ) ) int(0) int(1) int(2) int(3) int(4) int(5) int(6) int(7) int(8) int(9)
Output for hhvm-3.10.0 - 3.12.0
stdClass Object ( [foo] => stdClass Object ( [foo] => Array *RECURSION* [bad] => bad Object ( [_private:bad:private] => Array ( [0] => oh noes ) ) ) [bad] => bad Object ( [_private:bad:private] => Array ( [0] => oh noes ) ) ) int(0) int(1) int(2) int(3) int(4) int(5) int(6) int(7) int(8) int(9)
Output for 5.0.0 - 5.2.17
stdClass Object ( [foo] => stdClass Object *RECURSION* [bad] => bad Object ( [_private:private] => Array ( [0] => oh noes ) ) ) Fatal error: Call to undefined function gc_disable() in /in/FpJ4c on line 25
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/FpJ4c 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/FpJ4c 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/FpJ4c on line 4
Process exited with code 255.