提取具有相同id的多行mysql php
嗨,我有下表:提取具有相同id的多行mysql php,php,mysql,mysqli,Php,Mysql,Mysqli,嗨,我有下表: id request_id ein intervention_date time_slot 10 1 600545383 18/05/2015 00:00 AM 11 3 802877145 01/06/2015 00:00 AM 12 3 802310154 02/06/2015 00:00 PM 13 3 801777170 03/06/2015 00:00 AM 我有以下疑问: function ge
id request_id ein intervention_date time_slot
10 1 600545383 18/05/2015 00:00 AM
11 3 802877145 01/06/2015 00:00 AM
12 3 802310154 02/06/2015 00:00 PM
13 3 801777170 03/06/2015 00:00 AM
我有以下疑问:
function get_coach_request_assignment_on_request_id($request_id){
$connection = get_db();
$query = 'SELECT * FROM coach_request_assignment WHERE request_id='.$request_id;
return $connection->query($query);
}
调用此函数时,它只返回第一行,其中request\u id=3
如何提取查询返回的所有值
这就是我尝试过的:
$coach_request_assignment_data = get_coach_request_assignment_on_request_id($request_id);
$coach_request_assignment_data = $coach_request_assignment_data->fetch_assoc();
这就是var\u dump($coach\u request\u assignment\u data)
的样子:
array (size=5)
'id' => string '11' (length=2)
'request_id' => string '3' (length=1)
'coach_uin' => string '802877145' (length=9)
'date_intervention' => string '2015-06-01 00:00:00' (length=19)
'time_slot' => string 'AM' (length=2)
谢谢这里…如果这是一个
MySQLi
API,那么您需要多次调用fetch\u assoc()
才能获得这些多行。您只调用了一次fetch\u assoc():
$results = get_coach_request_assignment_on_request_id($request_id);
$coach_data = array();
while($row = $results->fetch_assoc()) {
$coach_data[] = $row; // push row
}
// print_r($coach_data);
如果这是一个
MySQLi
API,那么需要多次调用fetch\u assoc()
才能获取这些多行。您只调用了一次fetch\u assoc():
$results = get_coach_request_assignment_on_request_id($request_id);
$coach_data = array();
while($row = $results->fetch_assoc()) {
$coach_data[] = $row; // push row
}
// print_r($coach_data);
我猜你在使用mysqli扩展 试一试怎么样:
$coach_request_assignment_data->fetch_all(MYSQLI_ASSOC);
这将一次获取整个结果集,而不需要自己循环。MYSQLI_ASSOC告诉它以包含列名的关联数组返回它。默认值是MYSQLI_NUM,它只返回一个没有列名的数字索引数组。我猜您使用的是MYSQLI扩展名 试一试怎么样:
$coach_request_assignment_data->fetch_all(MYSQLI_ASSOC);
这将一次获取整个结果集,而不需要自己循环。MYSQLI_ASSOC告诉它以包含列名的关联数组返回它。默认值是MYSQLI_NUM,它只返回一个没有列名的数字索引数组。您使用的是PDO::query()?如果是,query()将返回一个可以循环的PDO语句,例如:
$results = get_coach_request_assignment_on_request_id($request_id);
foreach ($results as $result) {
//do something with $result
}
文档:您使用的是PDO::query()吗?如果是,query()将返回一个可以循环的PDO语句,例如:
$results = get_coach_request_assignment_on_request_id($request_id);
foreach ($results as $result) {
//do something with $result
}
博士:太棒了!我会接受这个答案!谢谢@user1578653然而,这会删除列名并用
string
替换它们,很高兴我能帮上忙!我将编辑我的答案以包含MYSQLI_ASSOCBrilliant!我会接受这个答案!谢谢@user1578653然而,这会删除列名并用string
替换它们,很高兴我能帮上忙!我将编辑我的答案以包含MYSQLI\u ASSOCI尝试过的内容:$coach\u request\u assignment\u data=get\u coach\u request\u assignment\u on\u request\u id($request\u id);虽然($row=$coach\u request\u assignment\u data->fetch\u assoc()){$coach\u data['coach\u uin']=$row['coach\u uin'];}
但这只返回第一条记录uin
。@Shery是的,请注意您将覆盖$coach\u data['coach\u uin']
每次迭代我都会更改它,但仍然不走运:$coach\u request\u assignment\u data=get\u coach\u request\u assignment\u on\u request\u id($request\u id);虽然($row=$coach\u request\u assignment\u data->fetch\u assoc()){$i=1;$coach\u data[$i]['coach\u uin']=$row['coach\u uin'];$i++}
结果仍然相同:数组(大小=1)1=>数组(大小=1)'coach\u uin'=>字符串'801777170'(长度=9)
@Shery你的$i
应该在循环外部初始化外部,无论如何,我在回答中进行了编辑,如果你想将其存储在一个容器中,我尝试了以下方法:$coach\u request\u assignment\u data=get\u coach\u request\u assignment\u on\u request\u id($request\u id);虽然($row=$coach\u request\u assignment\u data->fetch\u assoc()){$coach\u data['coach\u uin']=$row['coach\u uin'];}
但这只返回第一条记录uin
。@Shery是的,请注意您将覆盖$coach\u data['coach\u uin']
每次迭代我都会更改它,但仍然不走运:$coach\u request\u assignment\u data=get\u coach\u request\u assignment\u on\u request\u id($request\u id);虽然($row=$coach\u request\u assignment\u data->fetch\u assoc()){$i=1;$coach\u data[$i]['coach\u uin']=$row['coach\u uin'];$i++}
结果仍然相同:数组(大小=1)1=>数组(大小=1)'coach\u uin'=>字符串'801777170'(长度=9)
@Shery你的$i
应该在循环外部初始化外部,不管怎样,我在我的答案中进行了编辑,如果你想将其存储在容器中