array(4) {
  [0]=>
  string(5) "HY000"
  [1]=>
  int(1267)
  [2]=>
  string(105) "Illegal mix of collations (utf8_general_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation '='"
  [3]=>
  string(99) "SELECT COUNT(*) AS num FROM `6_site_2236`.`v5_product` WHERE status=1 and (fg = 'Òâʽ¼«¼ò') LIMIT 1"
}
bool(false)