Everything on your hard drive is stored as a file. There are ordinary program files, data files, files that are directories, and special files that help the hard drive keep track of the contents of folders and files. PHP has functions that can work with any file type, but basically work with text files that …
If you want to work with a file from within the PHP script, then you first need to open the file. So when you open a file, you create a file handle. A file handle is a pointer associated with the open file that you can then use to access the file’s contents. When you …
Here, you will learn how to read and write data in a file. There are various functions described here. Function Descriptions fread() This function is used to Read a string of characters from a file. fwrite() This function is used to Write a string of characters to a file. fgetc() This function is used to …
File system permissions determine what different users can do with each file and directory in the file system. For example, whereas one user might have permission to read and write to a file, another user may only be allowed to read the file. A third user might not even be allowed to do that. Permissions …