Fixed PhpDoc comments

Author: janpecha

src/ForeignKey.php

@@ -10,7 +10,7 @@ class ForeignKey
 		const ACTION_CASCADE = 'CASCADE';
 		const ACTION_SET_NULL = 'SET_NULL';
 
-		/** @var string|NULL */
+		/** @var string */
 		private $name;
 
 		/** @var string[] */
@@ -19,13 +19,13 @@ class ForeignKey
 		/** @var string */
 		private $targetTable;
 
-		/** @var string */
+		/** @var string[] */
 		private $targetColumns;
 
-		/** @var int */
+		/** @var string */
 		private $onUpdateAction = self::ACTION_RESTRICT;
 
-		/** @var int */
+		/** @var string */
 		private $onDeleteAction = self::ACTION_RESTRICT;
 
 

src/Index.php

@@ -21,7 +21,7 @@ class Index
 
 
 		/**
-		 * @param  string|NULL
+		 * @param  string
 		 * @param  string
 		 * @param  string[]|string
 		 */
@@ -41,7 +41,7 @@ public function __construct($name, $type = self::TYPE_INDEX, $columns = array())
 
 
 		/**
-		 * @return string|NULL
+		 * @return string
 		 */
 		public function getName()
 		{

src/IndexColumn.php

@@ -8,7 +8,7 @@ class IndexColumn
 		const ASC = 'ASC';
 		const DESC = 'DESC';
 
-		/** @var string|NULL */
+		/** @var string */
 		private $name;
 
 		/** @var string */
@@ -52,7 +52,7 @@ public function getName()
 
 
 		/**
-		 * @param  int
+		 * @param  string
 		 * @return self
 		 */
 		public function setOrder($order)
@@ -69,7 +69,7 @@ public function setOrder($order)
 
 
 		/**
-		 * @return int
+		 * @return string
 		 */
 		public function getOrder()
 		{