chroot
PHP function
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(PHP 4 >= 4.0.5, PHP 5, PHP 7, PHP 8)
Change the root directory
Description
chroot(string $directory): bool
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.
Calling this function does not change the values of the __DIR__ and __FILE__ magic constants.
Parameters
directoryThe path to change the root directory to.
Return Values
Success
Examples
chroot() example
php
<?php
chroot("/path/to/your/chroot/");
echo getcwd();
?>The above example will output:
output
/