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 (
    94732, 94736, 94740, 94744, 94748, 96305, 
    96306, 96307, 96309, 96312, 96315, 
    96317, 96320, 96322, 96324, 96326, 
    96328, 96330, 96332, 96335, 96339, 
    97016, 97022, 97023, 97026, 97030, 
    97032, 97039, 97045, 97833, 97843, 
    97847, 97852, 97856, 97860, 97864, 
    97868, 97872, 97890, 97891, 97892, 
    97893, 97894, 97895, 97896, 97897, 
    97898, 97899, 97900, 97901, 97902, 
    97915, 97916, 97917, 97918, 97919, 
    97920, 97921, 97922, 97923, 97924, 
    97925, 97926, 97927, 97928, 97929, 
    97930, 97931, 97932, 97933, 97934, 
    97947, 97948, 97949, 97950, 97951, 
    97960, 97961, 97964, 97965, 97966, 
    97969, 97974, 97976, 97977, 97980, 
    97981, 97984, 97985, 98040, 98042, 
    98044, 98046, 98048, 98050, 98085
  )

Query time 0.00082

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 (94732,94736,94740,94744,94748,96305,96306,96307,96309,96312,96315,96317,96320,96322,96324,96326,96328,96330,96332,96335,96339,97016,97022,97023,97026,97030,97032,97039,97045,97833,97843,97847,97852,97856,97860,97864,97868,97872,97890,97891,97892,97893,97894,97895,97896,97897,97898,97899,97900,97901,97902,97915,97916,97917,97918,97919,97920,97921,97922,97923,97924,97925,97926,97927,97928,97929,97930,97931,97932,97933,97934,97947,97948,97949,97950,97951,97960,97961,97964,97965,97966,97969,97974,97976,97977,97980,97981,97984,97985,98040,98042,98044,98046,98048,98050,98085))",
          "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"
          ]
        }
      }
    ]
  }
}