[英]How to convert this mySql query to PDO format…?
我应该如何为这种类型的查询编写我的PDO Prepare和bindValue / param语句,其中我检查该值是否不为null,然后仅将其添加到查询字符串中。
$query = "SELECT * FROM cabs WHERE DATE='$date' ";
if ($mode!=='' || $mode!=="")
$query .="AND MODE='$mode' ";
if ($tfno!=='')
$query .="AND TFNO='$tfno' ";
$query .="ORDER BY TIME";
快速答案,无需测试:
<?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);
只需在每次查询获得更多过滤器时都推入param数组,并且使用名称应该更容易,但我不确定array_push
是否会保留顺序,所以..
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