first commit

system/library/cache/apcu.php

@@ -0,0 +1,94 @@
+<?php
+namespace Opencart\System\Library\Cache;
+/**
+ * Class APCU
+ *
+ * @package
+ */
+class APCU {
+	/**
+	 * @var int
+	 */
+	private int $expire;
+	/**
+	 * @var bool
+	 */
+	private bool $active;
+
+	/**
+	 * Constructor
+	 *
+	 * @param    int  $expire
+	 */
+	public function __construct(int $expire = 3600) {
+		$this->expire = $expire;
+		$this->active = function_exists('apcu_cache_info') && ini_get('apc.enabled');
+	}
+
+	/**
+     * Get
+     *
+     * @param	 string	 $key
+	 * 
+	 * @return	 array|string|null
+     */
+	public function get(string $key): array|string|null {
+		return $this->active ? apcu_fetch(CACHE_PREFIX . $key) : [];
+	}
+
+	/**
+     * Set
+     *
+     * @param	 string	 $key
+	 * @param	 array|string|null  $key
+	 * 
+	 * @return	 void
+     */
+	public function set(string $key, array|string|null $value, int $expire = 0): void {
+		if (!$expire) {
+			$expire = $this->expire;
+		}
+
+		if ($this->active) {
+			apcu_store(CACHE_PREFIX . $key, $value, $expire);
+		}
+	}
+
+	/**
+     * Delete
+     *
+     * @param	 string	 $key
+	 * 
+	 * @return	 void
+     */
+	public function delete(string $key): void {
+		if ($this->active) {
+			$cache_info = apcu_cache_info();
+
+			$cache_list = $cache_info['cache_list'];
+
+			foreach ($cache_list as $entry) {
+				if (strpos($entry['info'], CACHE_PREFIX . $key) === 0) {
+					apcu_delete($entry['info']);
+				}
+			}
+		}
+	}
+
+	/**
+     * Delete all cache
+     *
+     * @param	 null
+	 * 
+	 * @return	 bool
+     */
+	public function flush(): bool {
+		$status = false;
+
+		if (function_exists('apcu_clear_cache')) {
+			$status = apcu_clear_cache();
+		}
+
+		return $status;
+	}
+}