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run code in 150+ php & hhvm versions
Bugs & Features
<?php class x { public $x = 'fooz'; public function d() { unset($this); unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this);unset($this); unset($this); unset($this); } } $x = new x; $x->d(); var_dump($x);
Output for 7.1.0
Fatal error: Cannot unset $this in /in/jbW72 on line 5
Process exited with code 255.
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.0.14
object(x)#1 (1) { ["x"]=> string(4) "fooz" }
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/jbW72 on line 3
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/jbW72 on line 3
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/jbW72 on line 3
Process exited with code 255.