ReflectionParameter::canBePassedByValue
(PHP 5 >= 5.4.0, PHP 7, PHP 8)
ReflectionParameter::canBePassedByValue — Returns whether this parameter can be passed by value
说明
public ReflectionParameter::canBePassedByValue():
bool
返回值
Returns true if the parameter can be passed by value, false otherwise.
Returns null in case of an error.