Fixed compatibility with PHP 8.4

Author: janpecha

src/Column.php

@@ -41,7 +41,7 @@ class Column
 		 * @param  array<int|float|string>|NULL $parameters
 		 * @param  array<string|int, scalar|NULL> $options  [OPTION => VALUE, OPTION2]
 		 */
-		public function __construct($name, $type, array $parameters = NULL, array $options = [])
+		public function __construct($name, $type, ?array $parameters = NULL, array $options = [])
 		{
 			$this->name = $name;
 			$this->setType($type);

src/Table.php

@@ -103,7 +103,7 @@ public function getOptions()
 		 * @param  array<string|int, scalar|NULL> $options OPTION => NULL
 		 * @return Column
 		 */
-		public function addColumn($name, $type = NULL, array $parameters = NULL, array $options = [])
+		public function addColumn($name, $type = NULL, ?array $parameters = NULL, array $options = [])
 		{
 			$column = NULL;