Php file open functions

For example, using any PHP file function, you can quickly and easily read a file into an array, be it characters or binary data such as pictures.

The navigation of the filesystem becomes effortless when you know which PHP file function needs to be applied in certain situations. In this tutorial, we will provide you with a handy list of functions used to manipulate PHP filesystems and files. We will review the most frequently used method: the PHP file function, applied when it is necessary to read a file into an array.

Additionally, you will learn the techniques to change groups, modes, and owners of files. As we have mentioned, among the most used methods stands the PHP file function that reads a file into an array. Each element of the array will represent a line from a file. Before PHP 4. Only the first of the parameters is required, as it names the exact file for PHP file to read. See the Supported Protocols and Wrappers for links to information about what abilities the various wrappers have, notes on their usage, and information on any predefined variables they may provide.

A context stream resource. Returns the file in an array. Each element of the array corresponds to a line in the file, with the newline still attached. Upon failure, file returns false.

Example 1 file example. Submit a Pull Request Report a Bug. Parameters filename Path to the file. Tip A URL can be used as a filename with this function if the fopen wrappers have been enabled. Return Values Returns the file in an array. This is a guide to PHP file Functions. Here we discuss the Introduction to PHP file Functions examples along with code implementation and output. You can also go through our other suggested articles to learn more —.

Submit Next Question. By signing up, you agree to our Terms of Use and Privacy Policy. The functions. The possibilities are endless! Editing the functions. If you want to add a code snippet to your WordPress site, adding it to the functions. WordPress tries to separate design and functionality whenever possible. This is the reason that we have themes, which determine the design, and plugins, which determine functions. If you decide to edit your functions.

Here are 3 reasons why editing your functions.