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PHP写缓存_PHP教程

//写入缓存
   $menu_query = exequery( $connection, select ct.id as tid, ct.type_name , mb.id, mb.cookname,
       mb.price, mb.description, mb.pinyin from cook_type ct left join menubook mb on ct.id = mb.cook_type where
       mb.id = .$cook_id);
   $menu_result = mysql_fetch_array( $menu_query );
//echo 菜单id:.$cook_id.;分类id:.$menu_result[tid];exit;
   //本次菜单
   $row[mid] = $cook_id;
   $row[menu_name] = $cook_name;
   $row[description] = $description;
   $row[menu_price] = $cook_price;
   $row[pinyin] = changetopinyin(iconv(utf-8,gb2312,$cook_name),1);
if( file_exists( ./menubook.php) )
   {
    require_once( ./menubook.php );
   }
if( is_array( $menu_cache) && !empty( $menu_cache) )
   {
    $classnum = count( $menu_cache );
    $unmatchnum = 0;
    for ( $i=0; $i    {
     if( $menu_result[tid] != $menu_cache[$i][tid] )
     {
      $unmatchnum++;
      continue;
     }
     else //找到分类 , 继续寻找菜品的缓存是否存在
     {
      $cartenum = count( $menu_cache[$i][list]);
      $unmarrynum = 0;
      for ( $j=0; $j      {
       if ( $menu_cache[$i][list][$j][mid] != $cook_id )
       {
        $unmarrynum++;
         continue;
       }
       else //修改菜单
       {
        $menu_cache[$i][list][$j][menu_name] = $cook_name;
        $menu_cache[$i][list][$j][description] = $description;
        $menu_cache[$i][list][$j][menu_price] = $cook_price;
        $menu_cache[$i][list][$j][pinyin] = $row[pinyin];
       }
      }
//新添加的菜单
      if( $cartenum == $unmarrynum )
      {
       $menu_cache[$i][list][] = $row;
      }
     }
    }
//未找到分类
     if ( $unmatchnum == $classnum )
     {
      $type_row[tid] = $menu_result[tid];
      $type_row[type_name] = $menu_result[type_name];
      $type_row[list][0] = $row;
$menu_cache[] = $type_row;
}
   }
   else { //数组的生成
       $type_row[tid] = $menu_result[tid];
     $type_row[type_name] = $menu_result[type_name];
     $type_row[list][0] = $row;
$menu_cache[] = $type_row;
}
   //print_r( $menu_cache );
   //写入文件
   ob_start();
   var_export( $menu_cache );
   $content = ob_get_contents( );
   ob_end_clean();
$filename = menubook.php;
   $fp = fopen( $filename, w );
   fwrite( $fp, );
   fclose( $fp );
二、添加菜单,写入缓存
     $str=changetopinyin(iconv(utf-8,gb2312,$cook_name),1);
     $query_cook_add=insert into menubook(cookname,price,cook_type,description,pinyin) values(.$cook_name.,.$cook_price.,.$cook_type.,.$description.,.$str.);
     $cursor_cook_add=exequery($connection,$query_cook_add);
     $cook_id = mysql_insert_id();
$menutype_query = exequery( $connection, select type_name from cook_type where id = .$cook_type);
     $menutype_result = mysql_fetch_array( $menutype_query );
//本次菜单
   $row[mid] = $cook_id;
   $row[menu_name] = $cook_name;
   $row[description] = $description;
   $row[menu_price] = $cook_price;
   $row[pinyin] = $str;
if( file_exists( ./menubook.php) )
   {
    require_once( ./menubook.php );
   }
if( is_array( $menu_cache) && !empty( $menu_cache) )
   {
    $classnum = count( $menu_cache );
    $unmatchnum = 0;
    for ( $i=0; $i    {
     if( $cook_type != $menu_cache[$i][tid] )
     {
      $unmatchnum++;
      continue;
     }
     else //找到分类 ,添加改产品菜品的缓存
     {  
        $menu_cache[$i][list][] = $row;
     }
}
    if( $classnum == $unmatchnum ) //未找到分类
    {
      $type_row[tid] = $cook_type;
      $type_row[type_name] = $menutype_result[type_name];
      $type_row[list][0] = $row;
$menu_cache[] = $type_row;
}
   }
else { //数组的生成
       $type_row[tid] = $cook_type ;
     $type_row[type_name] = $menutype_result[type_name];
     $type_row[list][0] = $row;
$menu_c
http://www.bkjia.com/phpjc/486517.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/486517.htmltecharticle//写入缓存 $menu_query = exequery( $connection, select ct.id as tid, ct.type_name , mb.id, mb.cookname, mb.price, mb.description, mb.pinyin from cook_type ct left join menubook...
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