php抽象类和接口的区别

https://www.cnblogs.com/vinter/p/8716685.html

什么时候适合使用 --- 多个角色配合工作：抽象角色对应具体角色；

<?phpinterface icar{ function Run();}class daben implements icar{ public function Run() { echo "奔驰汽车" ; }}class aodi implements icar{ public function Run() { echo "奥迪汽车"; }}abstract class road{ public $icar; abstract function Run ();} class gaosu extends road{ function Run (){ $this->icar->Run(); echo ":在告诉路上行驶"; }}class xiaolu extends road { function Run () { $this->icar->Run(); echo ":在小路路上行驶"; }}$gaosuroad = new gaosu();$gaosuroad->icar= new aodi();$gaosuroad->run();$gaosuroad = new xiaolu();$gaosuroad->icar= new daben();$gaosuroad->run();