(PHP 7 >= 7.1.0, PHP 8)
ReflectionClassConstant::getName — Get name of the constant
此函数没有参数。
Returns the constant's name.
| 版本 | 说明 | 
|---|---|
| 8.1.0 | Throws an Error in case the name property has not been initialized.
       Previously, the method returned falseon failure. |