Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Update/UpdateHookRegistry.php \Drupal\Core\Update\UpdateHookRegistry::getAvailableUpdates()
2. 10 core/lib/Drupal/Core/Update/UpdateHookRegistry.php \Drupal\Core\Update\UpdateHookRegistry::getAvailableUpdates()

Returns an array of available schema versions for a module.

Parameters

string $module: A module name.

Return value

int[] An array of available updates sorted by version. Empty array returned if no updates available.

File

core/lib/Drupal/Core/Update/UpdateHookRegistry.php, line 78

Class

UpdateHookRegistry

Provides module updates versions handling.

Namespace

Drupal\Core\Update

Code

public function getAvailableUpdates(string $module) : array {
    if (!isset($this->allAvailableSchemaVersions[$module])) {
        $this->allAvailableSchemaVersions[$module] = [];
        foreach ($this->enabledModules as $enabled_module) {
            $this->allAvailableSchemaVersions[$enabled_module] = [];
        }
        // Prepare regular expression to match all possible defined
        // hook_update_N().
        $regexp = '/^(?<module>.+)_update_(?<version>\\d+)$/';
        $functions = get_defined_functions();
        // Narrow this down to functions ending with an integer, since all
        // hook_update_N() functions end this way, and there are other
        // possible functions which match '_update_'. We use preg_grep() here
        // since looping through all PHP functions can take significant page
        // execution time and this function is called on every administrative page
        // via system_requirements().
        foreach (preg_grep('/_\\d+$/', $functions['user']) as $function) {
            // If this function is a module update function, add it to the list of
            // module updates.
            if (preg_match($regexp, $function, $matches)) {
                $this->allAvailableSchemaVersions[$matches['module']][] = (int) $matches['version'];
            }
        }
        // Ensure that updates are applied in numerical order.
        array_walk($this->allAvailableSchemaVersions, static function (&$module_updates) {
            sort($module_updates, SORT_NUMERIC);
        });
    }
    return $this->allAvailableSchemaVersions[$module];
}

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