<"\n";
  echo self::$color . "\n";
 }
}
Apple::doubleColon();
"htmlcode">

<"Fruit::showColor()\n";
 }
}
class Apple extends Fruit
{
 // Override parent's definition
 public function showColor()
 {
  // But still call the parent function
  parent::showColor();
  echo "Apple::showColor()\n";
 }
}
$apple = new Apple();
$apple->showColor();
"htmlcode">

<"Banana is yellow";
  }
  public function GetColor()
  {
   return Apple::showColor();
  }
 }
 $banana = new Banana;
 echo $banana->GetColor();
"htmlcode">

<"color";
 }
 static function showColor()
 {
  echo "show " . self::color();
 }
}
class Apple extends Fruit
{
 static function color()
 {
  return "red";
 }
}
Apple::showColor();
// output is "show color"!
?>


程序运行结果：
show color
以上内容给大家详解了::在PHP中的使用情况，希望大家喜欢。

                                
                                

                                    ::在php中使用,双冒号用法 
                                

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::在php中使用,双冒号用法