update: add new class

Author: inhere

src/Type.php

@@ -0,0 +1,64 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Inhere
+ * Date: 2018/5/1 0001
+ * Time: 19:53
+ */
+
+namespace Toolkit\PhpUtil;
+
+/**
+ * Class Type
+ * @package Toolkit\PhpUtil
+ */
+final class Type
+{
+    // php data type
+    const INT = 'int';
+    const INTEGER = 'integer';
+    const FLOAT = 'float';
+    const DOUBLE = 'double';
+    const BOOL = 'bool';
+    const BOOLEAN = 'boolean';
+    const STRING = 'string';
+
+    const ARRAY = 'array';
+    const OBJECT = 'object';
+    const RESOURCE = 'resource';
+
+    /**
+     * @return array
+     */
+    public static function all(): array
+    {
+        return [
+            self::ARRAY,
+            self::BOOL,
+            self::BOOLEAN,
+            self::DOUBLE,
+            self::FLOAT,
+            self::INT,
+            self::INTEGER,
+            self::OBJECT,
+            self::STRING,
+            self::RESOURCE
+        ];
+    }
+
+    /**
+     * @return array
+     */
+    public static function scalars(): array
+    {
+        return [
+            self::BOOL,
+            self::BOOLEAN,
+            self::DOUBLE,
+            self::FLOAT,
+            self::INT,
+            self::INTEGER,
+            self::STRING
+        ];
+    }
+}