1 files changed, 73 insertions, 0 deletions
diff --git a/public/system/library/cache/file.php b/public/system/library/cache/file.php
new file mode 100644
index 0000000..0330771
--- /dev/null
+++ b/public/system/library/cache/file.php
@@ -0,0 +1,73 @@
+<?php
+namespace Cache;
+class File {
+	private $expire;
+
+	public function __construct($expire = 3600) {
+		$this->expire = $expire;
+
+		$files = glob(DIR_CACHE . 'cache.*');
+
+		if ($files) {
+			foreach ($files as $file) {
+				$time = substr(strrchr($file, '.'), 1);
+
+				if ($time < time()) {
+					if (file_exists($file)) {
+						unlink($file);
+					}
+				}
+			}
+		}
+	}
+
+	public function get($key) {
+		$files = glob(DIR_CACHE . 'cache.' . preg_replace('/[^A-Z0-9\._-]/i', '', $key) . '.*');
+
+		if ($files) {
+			$handle = fopen($files[0], 'r');
+
+			flock($handle, LOCK_SH);
+
+			$data = fread($handle, filesize($files[0]));
+
+			flock($handle, LOCK_UN);
+
+			fclose($handle);
+
+			return json_decode($data, true);
+		}
+
+		return false;
+	}
+
+	public function set($key, $value) {
+		$this->delete($key);
+
+		$file = DIR_CACHE . 'cache.' . preg_replace('/[^A-Z0-9\._-]/i', '', $key) . '.' . (time() + $this->expire);
+
+		$handle = fopen($file, 'w');
+
+		flock($handle, LOCK_EX);
+
+		fwrite($handle, json_encode($value));
+
+		fflush($handle);
+
+		flock($handle, LOCK_UN);
+
+		fclose($handle);
+	}
+
+	public function delete($key) {
+		$files = glob(DIR_CACHE . 'cache.' . preg_replace('/[^A-Z0-9\._-]/i', '', $key) . '.*');
+
+		if ($files) {
+			foreach ($files as $file) {
+				if (file_exists($file)) {
+					unlink($file);
+				}
+			}
+		}
+	}
+}
+\ No newline at end of file