Getting the Moodle Base/Root Directory
The moodle root directory $CFG->dirroot
is established in the file lib/setup.php along with other values in the global $CFG
object which combines configuraton from config.php
as well as the entries in the database table mdl_config
.
The value is set as follows:
$CFG->dirroot = dirname(dirname(__FILE__));
And you can use it reliably establish the base/root moodle directory absolute path and use it for things like file requires in your plugin code.
Some other useful entries in lib/setup.php
from the code:
-
$CFG->wwwroot
= Path to moodle index directory in url format. -
$CFG->dataroot
= Path to moodle data files directory on server's filesystem. -
$CFG->dirroot
= Path to moodle's library folder on server's filesystem. -
$CFG->libdir
= Path to moodle's library folder on server's filesystem. -
$CFG->tempdir
= Path to moodle's temp file directory on server's filesystem. -
$CFG->cachedir
= Path to moodle's cache directory on server's filesystem (shared by cluster nodes). -
$CFG->localcachedir
= Path to moodle's local cache directory (not shared by cluster nodes).
There's lots more in there have a look around in lib/setup.php
.
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