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 (
    99033, 99034, 99035, 99036, 99037, 99038, 
    99039, 99040, 99041, 99042, 99043, 
    99044, 99045, 99046, 99047, 99048, 
    99049, 99050, 99051, 99052, 99053, 
    99054, 99055, 99189, 99190, 99191, 
    99239, 99282, 99283, 99284, 99285, 
    99286, 99287, 99288, 99289, 99290, 
    99291, 99292, 99293, 99294, 99295, 
    99296, 99297, 99298, 99299, 99300, 
    99301, 99302, 99303, 99304, 99305, 
    99306, 99307, 99308, 99309, 99310, 
    99311, 99312, 99319, 99320, 99321, 
    99356, 99357, 99358, 99359, 99360, 
    99361, 99362, 99363, 99364, 99365, 
    99366, 99367, 99368, 99374, 99375, 
    99376, 99377, 99378, 99379, 99380, 
    99381, 99382, 99383, 99384, 99385, 
    99386, 99387, 99388, 99389, 99390, 
    99391, 99392, 99393, 99394, 99395
  )

Query time 0.00070

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 (99033,99034,99035,99036,99037,99038,99039,99040,99041,99042,99043,99044,99045,99046,99047,99048,99049,99050,99051,99052,99053,99054,99055,99189,99190,99191,99239,99282,99283,99284,99285,99286,99287,99288,99289,99290,99291,99292,99293,99294,99295,99296,99297,99298,99299,99300,99301,99302,99303,99304,99305,99306,99307,99308,99309,99310,99311,99312,99319,99320,99321,99356,99357,99358,99359,99360,99361,99362,99363,99364,99365,99366,99367,99368,99374,99375,99376,99377,99378,99379,99380,99381,99382,99383,99384,99385,99386,99387,99388,99389,99390,99391,99392,99393,99394,99395))",
          "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"
          ]
        }
      }
    ]
  }
}