PHP File Handling
Reading and writing files.
PHP File Handling
File handling is an important part of any web application. You often need to open and process a file for different tasks.
PHP File Modes
r- Open a file for read only.w- Open a file for write only. Erasess contents or creates new file.a- Open a file for write only. Appends data or creates new file.x- Creates a new file for write only. Returns FALSE and error if file already exists.
PHP readfile() Function
The readfile() function reads a file and writes it to the output buffer.