3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(\$_SYSTEM);
Output for 5.4.0 - 5.4.8
Parse error: syntax error, unexpected '$_SYSTEM' (T_VARIABLE), expecting identifier (T_STRING) in Y0cjs on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.18
Parse error: syntax error, unexpected T_VARIABLE, expecting T_STRING in Y0cjs on line 2
Process exited with code 255.