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 (
    95243, 95244, 95245, 95246, 95247, 95248, 
    95249, 95250, 95251, 95252, 95253, 
    95254, 95255, 95256, 95257, 95258, 
    95259, 95260, 95261, 95262, 95263, 
    95264, 95265, 95266, 95267, 95268, 
    95269, 95270, 95271, 95272, 95273, 
    95274, 95275, 95276, 95277, 95278, 
    95279, 95280, 95281, 95282, 95283, 
    95284, 95285, 95286, 95287, 95288, 
    95289, 95290, 95291, 95292, 95293, 
    95294, 95295, 95296, 95297, 95298, 
    95299, 95300, 95301, 95302, 95303, 
    95304, 95305, 95306, 95307, 95308, 
    95947, 95948, 95949, 95950, 95951, 
    95952, 95953, 95954, 95955, 95956, 
    95957, 95958, 95959, 95960, 95961, 
    95962, 95963, 95964, 95965, 95966, 
    95967, 95968, 95969, 95970, 95971, 
    95972, 95973, 95974, 95975, 95976
  )

Query time 0.00073

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 (95243,95244,95245,95246,95247,95248,95249,95250,95251,95252,95253,95254,95255,95256,95257,95258,95259,95260,95261,95262,95263,95264,95265,95266,95267,95268,95269,95270,95271,95272,95273,95274,95275,95276,95277,95278,95279,95280,95281,95282,95283,95284,95285,95286,95287,95288,95289,95290,95291,95292,95293,95294,95295,95296,95297,95298,95299,95300,95301,95302,95303,95304,95305,95306,95307,95308,95947,95948,95949,95950,95951,95952,95953,95954,95955,95956,95957,95958,95959,95960,95961,95962,95963,95964,95965,95966,95967,95968,95969,95970,95971,95972,95973,95974,95975,95976))",
          "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"
          ]
        }
      }
    ]
  }
}