PHP Deprecated

Message

unserialize(): Passing null to parameter #1 ($data) of type string is deprecated

Error at

app/addons/hybrid_auth/func.php, line: 200

Backtrace

SELECT 
  f.feature_id, 
  f.purpose, 
  p.product_id, 
  p.parent_product_id, 
  g.id, 
  g.code 
FROM 
  cscart_product_variation_group_features AS f 
  INNER JOIN cscart_product_variation_groups AS g ON f.group_id = g.id 
  INNER JOIN cscart_product_variation_group_products AS p ON f.group_id = p.group_id 
WHERE 
  p.product_id IN (
    85599, 92212, 92213, 92214, 92215, 92217, 
    92223, 92465, 92466, 90827, 92191, 
    84238, 87995, 89167, 89168, 89170, 
    89171, 92430, 91978, 91981, 82361, 
    82432, 82563, 82567, 82571, 87882, 
    92228, 92229, 92230, 92231, 92237, 
    92469, 92470, 92471, 92439, 91865, 
    85585, 92366, 92367, 92368, 92369, 
    92370, 92371, 92372, 90324, 90326, 
    91977, 91979, 91980, 91982, 91983, 
    91892, 92150, 82556, 84254, 84259, 
    85596, 87577, 87592, 87607, 88788, 
    92197, 92457, 85646, 85583, 91866, 
    91867, 92325, 92326, 92327, 92328, 
    89595, 89596, 89597, 82336, 86251, 
    90054, 90056, 90057, 86861, 87875, 
    90323, 91936, 92240, 92245, 92247, 
    92248, 92249, 92250, 92252, 92253, 
    92485, 92486, 92487, 84252, 84253
  )

Query time 0.00081

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1.05"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "f",
          "access_type": "ALL",
          "possible_keys": [
            "idx_group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.25",
            "eval_cost": "0.10",
            "prefix_cost": "0.35",
            "data_read_per_join": "104"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "g",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "id"
          ],
          "key_length": "3",
          "ref": [
            "nuie_scalesta_net.f.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.25",
            "eval_cost": "0.10",
            "prefix_cost": "0.70",
            "data_read_per_join": "400"
          },
          "used_columns": [
            "id",
            "code"
          ]
        }
      },
      {
        "table": {
          "table_name": "p",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY",
            "idx_group_id"
          ],
          "key": "idx_group_id",
          "used_key_parts": [
            "group_id"
          ],
          "key_length": "3",
          "ref": [
            "nuie_scalesta_net.f.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "index_condition": "(`nuie_scalesta_net`.`p`.`product_id` in (85599,92212,92213,92214,92215,92217,92223,92465,92466,90827,92191,84238,87995,89167,89168,89170,89171,92430,91978,91981,82361,82432,82563,82567,82571,87882,92228,92229,92230,92231,92237,92469,92470,92471,92439,91865,85585,92366,92367,92368,92369,92370,92371,92372,90324,90326,91977,91979,91980,91982,91983,91892,92150,82556,84254,84259,85596,87577,87592,87607,88788,92197,92457,85646,85583,91866,91867,92325,92326,92327,92328,89595,89596,89597,82336,86251,90054,90056,90057,86861,87875,90323,91936,92240,92245,92247,92248,92249,92250,92252,92253,92485,92486,92487,84252,84253))",
          "cost_info": {
            "read_cost": "0.25",
            "eval_cost": "0.10",
            "prefix_cost": "1.05",
            "data_read_per_join": "16"
          },
          "used_columns": [
            "product_id",
            "parent_product_id",
            "group_id"
          ]
        }
      }
    ]
  }
}