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.|