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<?php class Test { public function go(){ eval('call_user_func(function(){ var_dump(isset($this) ? "Set" : "Not set"); var_dump($this); });'); } } $t = new Test; $t->go();
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
string(3) "Set" object(Test)#1 (0) { }
Output for 5.3.0 - 5.3.29
string(7) "Not set" Notice: Undefined variable: this in /in/S6YWK(4) : eval()'d code on line 1 NULL
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/S6YWK(4) : eval()'d code on line 1
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/S6YWK(4) : eval()'d code on line 1
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/S6YWK 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/S6YWK 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/S6YWK on line 3
Process exited with code 255.