3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A {public $a;} $a = new A; echo intval(is_null($a->$a)); echo 5;
based on RepsN
Output for 7.1.0 - 7.2.0
Recoverable fatal error: Object of class A could not be converted to string in /in/6LOkU on line 4
Process exited with code 255.
Output for 5.2.0 - 7.0.20
Catchable fatal error: Object of class A could not be converted to string in /in/6LOkU on line 4
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Notice: Object of class A to string conversion in /in/6LOkU on line 4 Notice: Undefined property: A::$Object in /in/6LOkU on line 4 15
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/6LOkU on line 2
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/6LOkU on line 2
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/6LOkU on line 2
Process exited with code 255.