Changes:

- added type-hints
- added some missing documentation

src/Database/DBA.php

@@ -218,12 +218,12 @@ class DBA
 	/**
 	 * Check if data exists
 	 *
-	 * @param string|array $table Table name or array [schema => table]
-	 * @param array               $condition array of fields for condition
+	 * @param string $table     Table name or array [schema => table]
+	 * @param array  $condition Array of fields for condition
 	 * @return boolean Are there rows for that condition?
 	 * @throws \Exception
 	 */
-	public static function exists($table, array $condition): bool
+	public static function exists(string $table, array $condition): bool
 	{
 		return DI::dba()->exists($table, $condition);
 	}

src/Database/Database.php

@@ -1527,6 +1527,7 @@ class Database
 	 */
 	public function count($table, array $condition = [], array $params = []): int
 	{
+		// @TODO Can we dump this to have ": int" as returned type-hint?
 		if (empty($table)) {
 			throw new InvalidArgumentException('Parameter "table" cannot be empty.');
 		}