3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php ${null} = [1]; ${0} = 2; var_dump(${false}, ${''}, ${false}${0});
based on lf4hK
Output for 7.0.0 - 7.0.2
Parse error: syntax error, unexpected '$', expecting ',' or ')' in /in/BlUVm on line 5
Process exited with code 255.
Output for 5.4.11 - 5.6.17
Parse error: syntax error, unexpected '$' in /in/BlUVm on line 5
Process exited with code 255.
Output for 5.3.21 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/BlUVm on line 3
Process exited with code 255.