(PHP 5 >= 5.2.3)
ReflectionParameter::getPosition — Gets parameter position
Gets the position of the parameter.
此函数没有参数。
The position of the parameter, left to right, starting at position #0.
micah at raincross-tech dot com (2010-12-05 19:26:10)
Note that the ReflectionFunctionAbstract::getParameters() method will return the parameters in the correct order.