Dirname (_ file _) in PHP. It is usually very effective to use dirname (_ FILE _) when configuring the FILE path, however, because the path of _ FILE _ is the complete path of the FILE where the current code is located (rather than the FILE where the url is located), dirname (_ FILE _) is usually used when configuring the FILE path __) is a very effective method, but because the path of _ FILE _ is the complete path of the FILE where the current code is located (rather than the FILE where the url is located, therefore, the defined configuration file is usually placed in the root directory to define the root address of the website, but the following method can solve the problem of storing the configuration file.
Dirname (_ FILE __));/*
Assume that _ FILE _ is/home/web/config. php.
The above method output is/home/web
*/
Dirname (_ FILE _); the directory name at the top of the FILE is obtained.
Dirname (_ FILE _); the directory name of the FILE's layer is obtained.
Compile (_ FILE _) is a very effective method, but because the path of _ FILE _ is the complete path of the FILE where the current code is located (rather than the FILE where the url is located ,...
