PHP mkdir() | Create a Directory

The PHP mkdir() function is used when we need to create a new directory. For example:

   $dir = "Documents";
   $chk = mkdir($dir);
      echo "<p>A new directory is created</p>";
      echo "<p>Unable to create</p>";

Before executing the above PHP code, here is the snapshot of the current directory:

php mkdir function

After executing the above PHP code/example, here is the output produced in the web browser:

php mkdir create new directory

And here is the new snapshot of the current directory, after executing the above PHP code:

php mkdir example

PHP mkdir() Syntax

The syntax of mkdir() function in PHP, is:

mkdir(directory, permissions, recursive, context)

The first (directory) parameter is required, whereas all the three parameters are optional.

Note - The directory parameter is used to specify the directory to create.

Note - The permissions parameter is used to specify permission. The default value is 0777

Note - The recursive parameter is used when we need to allow the creation of nested directories. The default value is false

Note - The context parameter is used to specify the context resource. The default value is null

The mkdir("xyz") is same as mkdir("xyz", 0777, false, null)

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