3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Calculation { } class TravelCalculation extends Calculation { } interface Service { public function run(Calculation $c); } class TravelService implements Service { public function run(TravelCalculation $c) { echo "Travel Service calculation"; } } $calculation = new TravelCalculation(); $service = new TravelService(); $service->run($calculation);
Output for 7.0.0 - 7.1.0
Fatal error: Declaration of TravelService::run(TravelCalculation $c) must be compatible with Service::run(Calculation $c) in /in/efKNW on line 14
Process exited with code 255.
Output for 5.0.0 - 5.3.29, hhvm-3.10.0 - 3.12.0
Fatal error: Declaration of TravelService::run() must be compatible with that of Service::run() in /in/efKNW on line 14
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Fatal error: Declaration of TravelService::run() must be compatible with Service::run(Calculation $c) in /in/efKNW on line 14
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/efKNW on line 10
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 in /in/efKNW on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/efKNW on line 10
Process exited with code 255.