3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo { public $bar = 'baz'; } $x = 'bar'; $o = new foo(); echo $o->$x; echo $o->{$x}; echo $o[$x]; echo get_object_vars($o)[$x];
Output for 7.0.0 - 7.1.0
bazbaz Fatal error: Uncaught Error: Cannot use object of type foo as array in /in/B7XPb:11 Stack trace: #0 {main} thrown in /in/B7XPb on line 11
Process exited with code 255.
Output for 5.4.0 - 5.6.28
bazbaz Fatal error: Cannot use object of type foo as array in /in/B7XPb on line 11
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ',' or ';' in /in/B7XPb on line 12
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ',' or ';' in /in/B7XPb 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/B7XPb 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/B7XPb 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/B7XPb on line 4
Process exited with code 255.