Directory Management Function in PHP

In this article Directory Management Function in PHP we give the information about There are many built-in functions available in PHP to easily manage files and directories. These functions are helpful in handling the creation, reading, writing, renaming, deletion etc. of files and directories.

File and Directory Management Function in PHP

There are many built-in functions available in PHP to easily manage files and directories. These functions are helpful in handling the creation, reading, writing, renaming, deletion etc. of files and directories.

Functions for working with different types of files and directories will be discussed in this article.

File Manipulation Functions

1.1 Creating a File

$file = fopen(“example.txt”, “w”); // create new file

fclose($file);

fopen(“file_name”, “w”) : Open the file in ‘write’ mode.

w : Overwrites the file, if the file already exists.

1.2 Reading a File

$file = fopen(“example.txt”, “r”); //open the file for reading

$content = fread($file, filename(“example.txt”));

fclose($file);

echo $content;

fread($file, filename(“file_name”)) : Reading the file.

1.3 Writing to a File

$file = fopen(“example.txt”, “a”); // Open the file in ‘append’ mode

fwrite($file, “New Data”); // write new data

fclose($file);

fwrite($file, “data”) : Write data to the file.

a :To append to the file.

1.4 Deleting a File

unlink(“example.txt”); //deleting the file

1.5 Renaming a File

rename(“old_name.txt”, “new_name.txt”); // changing file name

Directory Manipulation Functions

2.1 Creating a Directory

mkdir(“new_directory”); // create new directory

2.2 Reading a Directory

$dir = opendir(“existing_directory”);

while (($file = readdir($dir)) !== false) {

echo $file . “<br>”; // show files in directory

}

closeddir($dir);

opendir(“directory_name”) :Open the directory.

readdir($dir) :Listing the files present in the directory.

closedir($dir) :To close the directory.

2.3 Removing a Directory

rmdir(“directory_name”); //deleting the directory

2.4 Copying a File to Another Directory

copy(“source_file.txt”, “destination_directory/destination_file.txt”);

2.5 Changing Directory Permissions

chmod(“example.txt”, 0777); // changing file/directory permissions

Conclusion

Various types of operations like reading, writing, deleting, renaming, etc. can be easily performed with files and directories in PHP.
Using these functions users can manage files and directories as per their requirement.