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kirby/src/Toolkit/Silo.php

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+<?php
+
+namespace Kirby\Toolkit;
+
+/**
+ * The Silo class is a core class to handle
+ * setting, getting and removing static data of
+ * a singleton.
+ *
+ * @package   Kirby Toolkit
+ * @author    Bastian Allgeier <bastian@getkirby.com>
+ * @link      https://getkirby.com
+ * @copyright Bastian Allgeier
+ * @license   https://opensource.org/licenses/MIT
+ */
+class Silo
+{
+	public static array $data = [];
+
+	/**
+	 * Setter for new data
+	 */
+	public static function set(string|array $key, $value = null): array
+	{
+		if (is_array($key) === true) {
+			return static::$data = array_merge(static::$data, $key);
+		}
+
+		static::$data[$key] = $value;
+		return static::$data;
+	}
+
+	public static function get(string|array $key = null, $default = null)
+	{
+		if ($key === null) {
+			return static::$data;
+		}
+
+		return A::get(static::$data, $key, $default);
+	}
+
+	/**
+	 * Removes an item from the data array
+	 */
+	public static function remove(string $key = null): array
+	{
+		// reset the entire array
+		if ($key === null) {
+			return static::$data = [];
+		}
+
+		// unset a single key
+		unset(static::$data[$key]);
+
+		// return the array without the removed key
+		return static::$data;
+	}
+}