PDO PHP-查找2个日期之间的所有行-显示空白 [英] PDO PHP - Find all rows between 2 dates - shows blank
问题描述
使用PDO php,我试图获取数据库表中具有本周内start_date的所有行.要计算本周的第一天和最后一天,我使用以下方法:
Using PDO php i am trying to get all the rows in my database tables that have a start_date within the current week. To calculate the first and last date of this week i use the following:
$week_start = date('d-m-Y',time()+( 1 - date('w'))*24*3600);
$week_end = date('d-m-Y',time()+( 7 - date('w'))*24*3600);
然后在我的pdo查询中,我有:
Then within my pdo query i have:
$query = "
SELECT
*
FROM
bookings as bb
INNER JOIN
reservation as br ON bb.booking_id=br.bookings_id
INNER JOIN
cars as bc ON br.car_id=bc.car_id
WHERE
payment_success=1 AND
is_block=false AND
is_deleted=0 AND
DATE_FORMAT(start_date, '%d-%m-%Y')
BETWEEN '".$week_start."' AND '".$week_end."'
";
try {
$stmt = DB::get()->prepare($query);
$stmt->execute();
$rows = $stmt->fetchAll();
}
catch(PDOException $ex) {
die("Failed to run query: " . $ex->getMessage());
}
foreach($rows as $row):
$row['booking_id'] etc...
endforeach;
问题是,尽管有许多预订在本周内开始,但我没有在输出中显示任何行
The problem is i am not getting any rows to show up in the output despite having multiple bookings which have a start date within this week
推荐答案
DATE_FORMAT()
返回字符串,而不是日期.将3个字符串参数传递给BETWEEN
...谁知道该返回什么.
DATE_FORMAT()
returns a string, not a date. Passing 3 string arguments to BETWEEN
... who knows what that is going to return.
要取消向后退代码,请使用:
To un-ass-backwards your code, use:
$week_start = date('Y-m-d',time()+( 1 - date('w'))*24*3600);
$week_end = date('Y-m-d',time()+( 7 - date('w'))*24*3600);
以mySQL期望的方式格式化日期,并且:
to format your dates in the way mySQL expects, and:
WHERE
start_date BETWEEN '".$week_start."' AND '".$week_end."'
在查询中.
或者,如果您更喜欢面向对象的方法,请执行以下操作:
Or if you would prefer an object-oriented approach, do something like this:
$week_start = new DateTime;
$week_end = new DateTime;
$week_start->setTimestamp(time()+( 1 - date('w'))*24*3600));
$week_end->setTimestamp(time()+( 7 - date('w'))*24*3600);
然后在您的查询中执行
WHERE
start_date
BETWEEN '".$week_start->format('Y-m-d')."'
AND '".$week_end->format('Y-m-d')."'
然后,对于其他所有内容,您都可以按照自己的意愿来回显该格式:
Then for everything else, you can echo the format how you wish:
echo $date->format('d-m-Y'); // etc
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