PHP Predefined Constants
PHP has some predefined constants.
There are eight predefined constants, these constants are case-insensitive.
|1.||__LINE__||Get the current line number of the file.|
|2.||__FILE__||Get the full path and filename of the file with symlinks resolved. If It used inside an include, the name of the included file is returned as text.|
|3.||__DIR__||Get the directory of the file. If It used inside an include, the directory of the included file is returned as text.|
|4.||__FUNCTION__||Get the function name.|
|5.||__CLASS__||Get the class name. The class name includes the namespace.|
|6.||__TRAIT__||Get the trait name. The trait name includes the namespace.|
|7.||__METHOD__||Get the class method name.|
|8.||__NAMESPACE__||Get the name of the current namespace.|