[英]How to convert this mySql query to PDO format…?
我應該如何為這種類型的查詢編寫我的PDO Prepare和bindValue / param語句,其中我檢查該值是否不為null,然后僅將其添加到查詢字符串中。
$query = "SELECT * FROM cabs WHERE DATE='$date' ";
if ($mode!=='' || $mode!=="")
$query .="AND MODE='$mode' ";
if ($tfno!=='')
$query .="AND TFNO='$tfno' ";
$query .="ORDER BY TIME";
快速答案,無需測試:
<?php
$params = array(':date' => $date);
$query = "SELECT * FROM cabs WHERE DATE=':date' ";
if ($mode!=='' || $mode!=="") {
$query .="AND MODE=':mode' ";
$params[':mode'] = $mode;
}
if ($tfno!=='') {
$query .="AND TFNO=':tfno' ";
$params[':tfno'] = $tfno;
}
$query .="ORDER BY TIME";
$req = $dbh->prepare($query);
$req->execute($params);
只需在每次查詢獲得更多過濾器時都推入param數組,並且使用名稱應該更容易,但我不確定array_push
是否會保留順序,所以..
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