The chroot() function is also available on SVR4 platforms (not just GNU and BSD.)
(PHP 4 >= 4.0.5, PHP 5, PHP 7)
chroot — Change the root directory
$directory
)
Changes the root directory of the current process to
directory, and changes the current
working directory to "/".
This function is only available to GNU and BSD systems, and only when using the CLI, CGI or Embed SAPI. Also, this function requires root privileges.
directoryThe path to change the root directory to.
Returns TRUE on success or FALSE on failure.
Example #1 chroot() example
<?php
chroot("/path/to/your/chroot/");
echo getcwd();
?>
The above example will output:
/
Note: This function is not implemented on Windows platforms.
The chroot() function is also available on SVR4 platforms (not just GNU and BSD.)