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(158) "SELECT COUNT(*) AS num FROM `6_site_2236`.`v5_product` WHERE id in(153,159,158,157,156,155,154,152,151,150,149,148,147) and status=1 and (qt = '²Í×À') LIMIT 1" } bool(false)