3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $$1000$$ = 10; $$test = 12; var_dump($$1000$$, $$test);
Output for 5.4.0 - 5.4.28
Parse error: syntax error, unexpected '1000' (T_LNUMBER), expecting variable (T_VARIABLE) or '$' in /in/CYL8e on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_LNUMBER, expecting T_VARIABLE or '$' in /in/CYL8e on line 2
Process exited with code 255.