public function dealMenuTagDelete(&$menuData, $tag_id)
  {
    if (!is_array($menuData)) {
      return false;
    }
    foreach ($menuData as $key => $val) {
      if ($key === 'old_tags_id') {
        foreach ($val as $tagKey => $tagVaule) {
          if ($tagVaule == $tag_id) {
            unset($menuData['old_tags_id'][$tagKey]);
            unset($menuData['old_tags'][$tagKey]);
            $menuData['addtag']--;
          }
        }
      }
      if (is_array($val)) {
        self::dealMenuTagDelete($menuData[$key], $tag_id);
      }
    }
    return $menuData;
  }

[  {
    "typ": "res_ejcd",
    "tit": "message1",
    "data": "1@2@3",
    "subdata": {
      "zizicd1": {
        "typ": "res_wb",
        "data": "qqqq",
        "addtag": 1,
        "old_tags": [
          "\"campaign综合分析\"",
          "test add a tag"
        ],
        "old_tags_id": [
          "264",
          "17"
        ],
        "new_tags_id": [],
        "tit": "1"
      },
      "zizicd2": {
        "typ": "res_wb",
        "data": "wwww",
        "addtag": 1,
        "old_tags": [
          "test add a tag"
        ],
        "old_tags_id": [
          "17"
        ],
        "new_tags_id": [],
        "tit": "2"
      },
      "zizicd3": {
        "typ": "res_wb",
        "data": "ddd",
        "addtag": 1,
        "old_tags": [],
        "old_tags_id": [],
        "new_tags_id": [
          "new_tag1"
        ],
        "tit": "3"
      }
    },
    "addtag": 0,
    "old_tags": [],
    "old_tags_id": [],
    "new_tags_id": []
  },
  {
    "typ": "res_tw",
    "tit": "Post",
    "data": "2121",
    "subdata": null,
    "addtag": 1,
    "old_tags": [
      "“519引号阅读user message图文”"
    ],
    "old_tags_id": [
      "183"
    ],
    "new_tags_id": []
  },
  {
    "typ": "res_wb",
    "tit": "Today1",
    "data": "12312321",
    "subdata": null,
    "addtag": 1,
    "old_tags": [],
    "old_tags_id": [],
    "dynamicdata": "{\"default\":{\"message_type\":\"1\",\"val\":\"dynamic\"},\"segementation\":[{\"segId\":\"451\",\"message_type\":\"1\",\"val\":\"你属于conversation 80这一组\"},{\"segId\":\"450\",\"message_type\":\"1\",\"val\":\"poll-1212\\n有三个人，rainbow H T_T\"}]}",
    "configId": "2392",
    "new_tags_id": [
      "new_tag2"
    ]
  }
]

$tag_id = 264;
$menuData = json_decode($data,true);//这里第二个参数用true就会转化为数组了
self::dealMenuTagDelete($menuData,$tag_id);
print_r($menuData);