PHP chroot() Function

❮ PHP Directory Reference

Example

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.


Syntax

chroot(directory)

Parameter Values

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


Technical Details

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

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