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<?php interface GoAlgorithm { public function go(); } class GoByDrivingAlgorithm implements GoAlgorithm { public function go() { echo("Now I'm driving."); } } class GoByFlying implements GoAlgorithm { public function go() { echo("Now I'm flying."); } } class GoByFlyingFast implements GoAlgorithm { public function go() { echo("Now I'm flying fast"); } } abstract class Vehicle { private $goAlgorithm; public static function setGoAlgorithm($goAlgorithm = TRUE) { return $goAlgorithm = 'GoAlgorithm'; } } class StreetRacer extends Vehicle { public function StreetRacer($goAlgorithm=TRUE) { Vehicle::setGoAlgorithm($str=new GoByDrivingAlgorithm(), $str->go()); } } class FormulaOne extends Vehicle { public function FormulaOne() { Vehicle::setGoAlgorithm($for=new GoByDrivingAlgorithm(), $for->go()); } } class Helicopter extends Vehicle { public function Helicopter() { Vehicle::setGoAlgorithm($hel=new GoByFlying(), $hel->go()); } } class Jet extends Vehicle { public function Jet() { Vehicle::setGoAlgorithm($jet=new GoByFlyingFast(), $jet->go()); } } class StartTheRace { public static function main() { $streetRacer = new StreetRacer(); $formulaone = new FormulaOne(); $helicopter = new Helicopter(); $jets = new Jet(); } } StartTheRace::main();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; StreetRacer has a deprecated constructor in /in/TncRG on line 44 Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; FormulaOne has a deprecated constructor in /in/TncRG on line 52 Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Helicopter has a deprecated constructor in /in/TncRG on line 60 Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Jet has a deprecated constructor in /in/TncRG on line 68 Now I'm driving.Now I'm driving.Now I'm flying.Now I'm flying fast
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.3.32 - 7.3.33
Now I'm driving.Now I'm driving.Now I'm flying.Now I'm flying fast
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/TncRG on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/TncRG on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TncRG on line 3
Process exited with code 255.

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