Use the Fetch API to call a PHP script. Definition and Usage. If the file was already included previously, this statement will not include it again. How to include one CSS file in another? - GeeksforGeeks If the file is not found, a warning is shown and the program continues to run. In the examples above, we used the include function. This way you can write a piece of code in a php file and can use it to multiple files through include () statement. php include function from another file Jedes Element des Arrays entspricht einer Zeile in der Datei, ohne dass der … Create a file called test.dart in the lib folder: PHP include and require - W3Schools ini_set function sets the include_path configuration option and can be used in individual php file to create php settings on the fly. The welcome.php file is not available in the same directory, which we have included. If you want to handle information in File1.php, you can do the following changes: File1.php: require_once WP_CONTENT_DIR . The include command simply takes all the text that exists in the specified file and copies it into the file that uses the include command. Yes, It is possible to include one CSS file in another and it can be done multiple times. PHP Include from Root