first commit

autoload/class.Cache.php

@@ -0,0 +1,46 @@
+<?php
+class Cache
+{
+  public static function store( $key, $data, $ttl = 86400 )
+  {
+    file_put_contents( self::get_file_name( $key ), gzdeflate( serialize( array( time() + $ttl, $data ) ) ) );
+  }
+
+  private static function get_file_name( $key )
+  {
+    $md5 = md5( $key );
+    $dir = 'temp/' . $md5[0] . '/' . $md5[1] . '/';
+    
+    if ( !is_dir( $dir ) )
+      mkdir( $dir , 0755 , true );
+    
+    return $dir . 's_cache_' . $md5;
+  }
+
+  public static function fetch( $key )
+  {
+    $filename = self::get_file_name( $key );
+    
+    if ( !file_exists( $filename ) || !is_readable( $filename ) )
+      return false;
+      
+    $data = gzinflate( file_get_contents( $filename ) );
+
+    $data = @unserialize( $data );
+    if ( !$data )
+    {
+      unlink( $filename );
+      return false;
+    }
+
+    if ( time() > $data[0] )
+    {
+      if ( file_exists( $filename ) )
+        unlink( $filename );
+      return false;
+    }
+    
+    return $data[1];
+  }
+}
+?>