[英]Creating a multi level array for json output with php
到目前为止,这是我的PHP。 首先添加我的主要信息,然后再添加与该日期投票的用户的约会日期。
$id = $CURUSER["id"];
$eventid = $_GET['eventid'];
$z = SQL_Query_exec("SELECT * FROM cal_events WHERE eventid = '$eventid'");
$rowz = mysql_fetch_array($z);
$y = SQL_Query_exec("SELECT userid FROM cal_votes WHERE eventid = '$eventid'");
$y1 = mysql_num_rows($y);
$x = SQL_Query_exec("SELECT userid FROM cal_votes WHERE eventid = '$eventid' AND voted = 'no'");
$x1 = mysql_num_rows($x);
$data = array();
$data['eventid'] = $eventid;
$data['eventname'] = $rowz['eventname'];
$data['aboutevent'] = $rowz['aboutevent'];
$data['lefttovote'] = $x1;
$data['enddate'] = date("D jS F Y",strtotime($rowz[enddate]));
$caldates = SQL_Query_exec("SELECT dateid,eventdates FROM cal_dates WHERE eventid = $eventid ORDER BY dateid ASC");
while($rowcaldates = mysql_fetch_array($caldates)){
$data['dates'][] = date("D jS F Y",strtotime($rowcaldates[eventdates]));
$b = SQL_Query_exec("SELECT forename,surname FROM cal_voted left join users on users.id = cal_voted.userid WHERE dateid = $rowcaldates[dateid] ");
$c1 = mysql_num_rows($b);
while($rowb = mysql_fetch_array($b)){
$data['dates']['names'][] = "$rowb[forename] $rowb[surname],";
}
}
echo json_encode($data);
问题是我的json正在像这样返回
{"eventid":"23","eventname":"Mums Birthday","aboutevent":"Curry Night Alton 7pm","lefttovote":0,"enddate":"Wed 19th June 2013",
"dates":{"0":"Sat 23rd March 2013","
names":["John ,","Clare ,","Scott ,","Clare ,","Scott ,"],"1":"Sat 30th March 2013"}}
我试图输出这个。 这只是一个简单的例子,但我肯定你会明白的
{"eventid":"23","eventname":"Mums Birthday","aboutevent":"Curry Night Alton 7pm","lefttovote":0,"enddate":"Wed 19th June 2013",
"dates":{"0":"Sat 23rd March 2013","
names":["John,","Clare ,","Scott ,"}
"dates":{"1":"Sat 30th March 2013","
names":["Clare ,","Scott ,"]}}
这样我就可以遍历日期并使用jquery mobile回显它们。 我可以直接用php来做,因为我不需要将它们放入数组中,但是这个数组业务令人困惑
更新*
$data = array();
$data['eventid'] = $eventid;
$data['eventname'] = $rowz['eventname'];
$data['aboutevent'] = $rowz['aboutevent'];
$data['lefttovote'] = $x1;
$data['enddate'] = date("D jS F Y",strtotime($rowz[enddate]));
$caldates = SQL_Query_exec("SELECT dateid,eventdates FROM cal_dates WHERE eventid = $eventid ORDER BY dateid ASC");
while($rowcaldates = mysql_fetch_array($caldates)){
$date_data = array();
$date_data[0] = date("D jS F Y",strtotime($rowcaldates[eventdates]));
$b = SQL_Query_exec("SELECT forename,surname FROM cal_voted left join users on users.id = cal_voted.userid WHERE dateid = $rowcaldates[dateid] ");
$c1 = mysql_num_rows($b);
while($rowb = mysql_fetch_array($b)){
$date_data['names'] = "$rowb[forename] $rowb[surname],";
array_push($data,$date_data);
}
}
echo json_encode($data);
产量
{"eventid":"23","eventname":"Mums Birthday","aboutevent":"Curry Night Alton 7pm","lefttovote":0,"enddate":"Wed 19th June 2013","0":{"0":"Sat 23rd March 2013","names":"John ,"},"1":{"0":"Sat 23rd March 2013","names":"Clare ,"},"2":{"0":"Sat 23rd March 2013","names":"Scott ,"},"3":{"0":"Sat 30th March 2013","names":"Clare ,"},"4":{"0":"Sat 30th March 2013","names":"Scott ,"}}
更新工作答案*
$caldates = SQL_Query_exec("SELECT dateid,eventdates FROM cal_dates WHERE eventid = $eventid ORDER BY dateid ASC");
while($rowcaldates = mysql_fetch_array($caldates)){
$date_data = array();
$date_data[0] = date("D jS F Y",strtotime($rowcaldates[eventdates]));
$b = SQL_Query_exec("SELECT forename,surname FROM cal_voted left join users on users.id = cal_voted.userid WHERE dateid = $rowcaldates[dateid] ");
$c1 = mysql_num_rows($b);
while($rowb = mysql_fetch_array($b)){
$date_data['names'][] = "$rowb[forename] $rowb[surname],";
}
array_push($data,$date_data);
}
echo json_encode($data);
这将无法工作,因为您不能对多个childeNode使用相同的名称(即dates
):
{ "eventid":"23",
"eventname":"Mums Birthday",
"aboutevent":"Curry Night Alton 7pm",
"lefttovote":0,"enddate":"Wed 19th June 2013",
"dates":{
"0":"Sat 23rd March 2013",
"names":["John Hunter,","Clare Kinnear,","Scott Kinnear,"
},
"dates":{
"1":"Sat 30th March 2013",
"names":["Clare Kinnear,","Scott Kinnear,"]
}
}
您应该将日期组合成这样的数组:
{ "eventid":"23",
"eventname":"Mums Birthday",
"aboutevent":"Curry Night Alton 7pm",
"lefttovote":0,"enddate":"Wed 19th June 2013",
"dates":[{
"date":"Sat 23rd March 2013",
"names":["John Hunter,","Clare Kinnear,","Scott Kinnear,"]
},
{
"date":"Sat 30th March 2013",
"names":["Clare Kinnear,","Scott Kinnear,"]
}]
}
要实现此目的,您可以执行以下操作:
$n = 0;
$caldates = SQL_Query_exec("SELECT dateid,eventdates FROM cal_dates WHERE eventid = $eventid ORDER BY dateid ASC");
while($rowcaldates = mysql_fetch_array($caldates)){
$data->dates[$n]->date = date("D jS F Y",strtotime($rowcaldates[eventdates]));
$b = SQL_Query_exec("SELECT forename,surname FROM cal_voted left join users on users.id = cal_voted.userid WHERE dateid = $rowcaldates[dateid] ");
$c1 = mysql_num_rows($b);
while($rowb = mysql_fetch_array($b)){
$data->dates[$n]->names[] = "$rowb[forename] $rowb[surname],";
}
$n++;
}
echo json_encode($data);
在while循环中,创建一个名为$ date_data的数组。 将日期存储在$ date_data [0]中,将名称存储在$ date_data ['names']中。 最后,如果有一段时间,用$ data ['dates] [] = $ date_date;将$ date_data推送到日期信息中;
附带说明,您不应将$ _GET变量直接放入查询中。 确保使用预备语句代替,或以某种方式转义值;-)
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