3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class aaa{ private $a; private $b; function add($a,$b) { $this->$c=$a+$b; } } $obj=new aaa(); $this->add(1,4);
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Using $this when not in object context in /in/Em2mN:12 Stack trace: #0 {main} thrown in /in/Em2mN on line 12
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Uncaught Error: $this is null in /in/Em2mN:12 Stack trace: #0 {main}
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: $this is null in /in/Em2mN on line 12
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Using $this when not in object context in /in/Em2mN on line 12
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/Em2mN 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/Em2mN 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/Em2mN on line 3
Process exited with code 255.