Previous Next

PHP File Handling

File management is an integral part of any web application. You usually need to open and process a file for various tasks.

PHP Manipulating Files

PHP has several functions for creating, reading, uploading, and editing files.

Be careful when copying files!

If you are copying files you should be very careful.

You can do a lot of damage if you do something wrong. Common errors are: editing the wrong file, filling the hard-drive with garbage data, and accidentally deleting file contents.

PHP readfile() Function

The readfile () function reads the file and writes it in the output bar.

Suppose we have a text file called "webdictionary.txt", which is stored on the server, which looks like this:

PHP code to read the file and write it to the output database is as follows (readfile () function returns the number of successful read bits):

Example

The readfile function () is useful if you just want to open a file and read its contents.

The following chapters will teach you more about file management.

Previous Next