[skip ci] create ApplicationStorage for async frameworks

src/Ubiquity/utils/store/ApplicationStorage.php

@@ -0,0 +1,88 @@
+<?php
+
+namespace Ubiquity\utils\store;
+
+/**
+ * Data storage for async platforms
+ *
+ * Ubiquity\core$Application
+ * This class is part of Ubiquity
+ * @author jc
+ * @version 1.0.0
+ *
+ */
+class ApplicationStorage {
+	/**
+	 * @var array
+	 */
+	private static $datas;
+
+	/**
+	 * Put a value in storage at key position.
+	 * @param string $key
+	 * @param mixed $value
+	 */
+	public static function put(string $key, $value){
+		self::$datas[$key=$value];
+	}
+
+	/**
+	 * Return a value by key.
+	 * @param string $key
+	 * @param mixed $default
+	 * @return mixed
+	 */
+	public static function get(string $key,$default=null){
+		return self::$datas[$key]??$default;
+	}
+
+	/**
+	 * Return all keys in storage.
+	 * @return array
+	 */
+	public static function getAllKeys(){
+		return \array_keys(self::$datas);
+	}
+
+	/**
+	 * Return all datas in storage.
+	 * @return array
+	 */
+	public static function getAll(){
+		return self::$datas;
+	}
+
+	/**
+	 * Check if a key exists or not.
+	 * @param string $key
+	 * @return boolean
+	 */
+	public static function exists(string $key){
+		return isset(self::$datas[$key]);
+	}
+
+	/**
+	 * Search for a given value and returns the first corresponding key if successful.
+	 * @param mixed $value
+	 * @return string|boolean
+	 */
+	public static function search($value){
+		return \array_search($value,self::$datas);
+	}
+
+	/**
+	 * Clear all values in storage.
+	 */
+	public static function clear(){
+		self::$datas=[];
+	}
+
+	/**
+	 * Remove a value by key.
+	 * @param string $key
+	 */
+	public static function remove(string $key){
+		unset(self::$datas[$key]);
+	}
+}
+