php之可变函数的实例详解

class Foo{  function Variable()  {    $name = 'Bar';    $this->$name(); // This calls the Bar() method  }   function Bar()  {    echo "This is Bar";  }} $foo = new Foo();$funcname = "Variable";$foo->$funcname();  // This calls $foo->Variable() class Foo{  static $variable = 'static property';  static function Variable()  {    echo 'Method Variable called';  }} echo Foo::$variable; // This prints 'static property'. It does need a $variable in this scope.$variable = "Variable";Foo::$variable(); // This calls $foo->Variable() reading $variable in this scope.