feat: add new simple config object

Signed-off-by: inhere <[email protected]>

Author: inhere

src/Obj/ConfigObject.php

@@ -0,0 +1,105 @@
+<?php declare(strict_types=1);
+/**
+ * This file is part of toolkit/stdlib.
+ *
+ * @author   https://github.com/inhere
+ * @link     https://github.com/php-toolkit/stdlib
+ * @license  MIT
+ */
+
+namespace Toolkit\Stdlib\Obj;
+
+use ArrayObject;
+
+/**
+ * Class ConfigObject
+ *
+ * @package Toolkit\Stdlib\Obj
+ */
+class ConfigObject extends ArrayObject
+{
+    /**
+     * @param array $data
+     *
+     * @return static
+     */
+    public static function new(array $data = [])
+    {
+        return new static($data);
+    }
+
+    /**
+     * @param string $key
+     * @param mixed  $default
+     *
+     * @return mixed|null
+     */
+    public function getValue(string $key, $default = null)
+    {
+        return $this[$key] ?? $default;
+    }
+
+    /**
+     * @param string $key
+     * @param bool   $default
+     *
+     * @return bool
+     */
+    public function getBool(string $key, bool $default = false): bool
+    {
+        if ($this->offsetExists($key)) {
+            return (bool)$this->offsetGet($key);
+        }
+
+        return $default;
+    }
+
+    /**
+     * @param string $key
+     * @param int    $default
+     *
+     * @return int
+     */
+    public function getInt(string $key, int $default = 0): int
+    {
+        return $this->getInteger($key, $default);
+    }
+
+    /**
+     * @param string $key
+     * @param int    $default
+     *
+     * @return int
+     */
+    public function getInteger(string $key, int $default = 0): int
+    {
+        if ($this->offsetExists($key)) {
+            return (int)$this->offsetGet($key);
+        }
+
+        return $default;
+    }
+
+    /**
+     * @param string $key
+     * @param string  $default
+     *
+     * @return string
+     */
+    public function getString(string $key, string $default = ''): string
+    {
+        if ($this->offsetExists($key)) {
+            return (string)$this->offsetGet($key);
+        }
+
+        return $default;
+    }
+
+    /**
+     * @return array
+     */
+    public function toArray(): array
+    {
+        return $this->getArrayCopy();
+    }
+}