PHP chroot() Function

Change the root directory:

<?php
// Change root directory
chroot("/path/to/chroot/");

// Get current directory
echo getcwd();
?>

Result:

Definition and Usage

The chroot() function changes the root directory of the current process to directory, and changes the current working directory to "/".

Note: This function requires root privileges, and is only available to GNU and BSD systems, and only when using the CLI, CGI or Embed SAPI.

Note: This function is not implemented on Windows platforms.

chroot( directory)

Parameter	Description
directory	Required. Specifies the path to change the root directory to

Return Value:	TRUE on success. FALSE on failure.
PHP Version:	4.0.5+