/**
* Reads the install.xml files for Moodle core and modules and returns an array of
* xmldb_structure object with xmldb_table from these files.
* @return xmldb_structure schema from install.xml files
*/
public function get_install_xml_schema()
{
global $CFG;
require_once $CFG->libdir . '/adminlib.php';
$schema = new xmldb_structure('export');
$schema->setVersion($CFG->version);
$dbdirs = get_db_directories();
foreach ($dbdirs as $dbdir) {
$xmldb_file = new xmldb_file($dbdir . '/install.xml');
if (!$xmldb_file->fileExists() or !$xmldb_file->loadXMLStructure()) {
continue;
}
$structure = $xmldb_file->getStructure();
$tables = $structure->getTables();
foreach ($tables as $table) {
$table->setPrevious(null);
$table->setNext(null);
$schema->addTable($table);
}
}
return $schema;
}
