3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo substr("Hello world!",-7,-1); ?>
based on 4Qt5c
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected ',' (T_STRING) in /in/rk2I3 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/rk2I3 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/rk2I3 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/rk2I3 on line 3
Process exited with code 255.