array(2) {
  [0]=>
  string(40) "SELECT * FROM tb_produtos  WHERE id =   "
  [1]=>
  array(0) {
  }
}

ERROR: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1