Returns the currently installed schema version for a module.
string $module: A module name.
bool $reset: Set to TRUE after installing or uninstalling an extension.
bool $array: Set to TRUE if you want to get information about all modules in the system.
string|int The currently installed schema version, or SCHEMA_UNINSTALLED if the module is not installed.
function drupal_get_installed_schema_version($module, $reset = FALSE, $array = FALSE) {
static $versions = array();
if ($reset) {
$versions = array();
}
if (!$versions) {
if (!($versions = Drupal::keyValue('system.schema')
->getAll())) {
$versions = array();
}
}
if ($array) {
return $versions;
}
else {
return isset($versions[$module]) ? $versions[$module] : SCHEMA_UNINSTALLED;
}
}