3v4l.org

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(); $bar = new stdclass; $bar->foo = $bar; $bar->bad = new bad; gc_collect_cycles();
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 ) ) )
Output for hhvm-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 ) ) )
Output for hhvm-3.10.0

Process exited with code 153.
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/fmW8i on line 24
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/fmW8i 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/fmW8i 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/fmW8i on line 4
Process exited with code 255.