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 (
    97437, 97438, 97439, 97440, 97441, 97442, 
    97443, 97444, 97445, 97446, 97447, 
    97448, 97449, 97450, 97451, 97452, 
    97453, 97454, 97455, 97456, 97457, 
    97458, 97459, 97460, 97461, 97462, 
    97463, 97464, 97465, 97466, 97467, 
    97468, 97469, 97470, 97471, 97472, 
    97473, 97474, 97475, 97476, 97477, 
    97478, 97479, 97480, 97481, 97482, 
    97483, 97484, 97485, 97486, 97487, 
    97488, 97489, 97490, 97491, 97492, 
    97493, 97494, 97495, 97496, 97497, 
    97498, 97499, 97500, 97501, 97502, 
    97503, 97504, 97505, 97525, 97526, 
    97527, 97528, 97529, 97530, 97531, 
    97532, 97533, 99068, 99069, 99070, 
    99071, 99072, 99073, 99074, 99075, 
    99076, 99077, 99078, 99079, 99080, 
    99081, 99082, 99083, 99084, 99085
  )

Query time 0.00079

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 (97437,97438,97439,97440,97441,97442,97443,97444,97445,97446,97447,97448,97449,97450,97451,97452,97453,97454,97455,97456,97457,97458,97459,97460,97461,97462,97463,97464,97465,97466,97467,97468,97469,97470,97471,97472,97473,97474,97475,97476,97477,97478,97479,97480,97481,97482,97483,97484,97485,97486,97487,97488,97489,97490,97491,97492,97493,97494,97495,97496,97497,97498,97499,97500,97501,97502,97503,97504,97505,97525,97526,97527,97528,97529,97530,97531,97532,97533,99068,99069,99070,99071,99072,99073,99074,99075,99076,99077,99078,99079,99080,99081,99082,99083,99084,99085))",
          "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"
          ]
        }
      }
    ]
  }
}