phpactiverecord 条件数组

Question

我有太多可能进入数据库调用的条件组合，我不可能为每个条件单独调用。我有太多的 if/else 语句。

所以我想改为将条件推送到数组中以动态构建条件语句和传入的值。所以：

    $cond_values = array();
    $cond_values[] = $lender->id;
    $cond_string = "lender_id = ?";

    if (something) {
      $cond_string .= " AND search_id =?";
      $cond_values[] = $search_id; 
    }
    if (something_else) {
      $cond_string .= " AND cust_id =?";
      $cond_values[] = $cust_id; 
    }

    $matches = Match::all(array(
      "select" => $select,
      "conditions" => array($cond_string, $cond_values),
      "order" => $order,
      "joins" => $joins
    ));

但这只有在 $cond_values 中有 0 或 1 个元素时才有效。超过一个值，我得到一个 "No bound parameter for index 1" 错误。似乎只有我这样做才会有效：

    $matches = Match::all(array(
      "select" => $select,
      "conditions" => array($cond_string, $cond_values[0],$cond_values[1] ),
      "order" => $order,
      "joins" => $joins
    ));

但是值的数量会有所不同，所以我不能那样做。如果有任何见解，我将不胜感激。

Answer 1

试试这个：使用 array_unshift() 将 $cond_string 推到 $cond_values 数组的开头，然后将该数组传递给 Match::all():

$cond_values = array();
$cond_values[] = $lender->id;
$cond_string = "lender_id = ?";

if (something) {
  $cond_string .= " AND search_id =?";
  $cond_values[] = $search_id; 
}
if (something_else) {
  $cond_string .= " AND cust_id =?";
  $cond_values[] = $cust_id; 
}

array_unshift($cond_values, $cond_string);

$matches = Match::all(array(
  "select" => $select,
  "conditions" => $cond_values,
  "order" => $order,
  "joins" => $joins
));

phpactiverecord 条件数组

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