PHP 4 >= 4.0.5, PHP 5, PHP 7)

chrootChange the root 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.


  • directory
    The path to change the root directory to.

Return Values

Returns TRUE on success or FALSE on failure.


The above example will output:

Note: This function is not implemented on Windows platforms.

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