我有一个来自 mysql 关系表的结果数组。它看起来类似于:
array(10) {
[0]=>
object(stdClass)#14 (35) {
["eventID"]=>
string(1) "1"
["eventTitle"]=>
string(7) "EVENT 1"
["artistID"]=>
string(1) "1"
["artistName"]=>
string(8) "ARTIST 1"
["artistDescription"]=>
string(20) "ARTIST 1 description"
// etc.
}
[1]=>
object(stdClass)#15 (35) {
["eventID"]=>
string(1) "1"
["eventTitle"]=>
string(7) "EVENT 1"
["artistID"]=>
string(1) "2"
["artistName"]=>
string(8) "ARTIST 2"
["artistDescription"]=>
string(20) "ARTIST 2 description"
// etc.
}
[2]=>
object(stdClass)#16 (35) {
["eventID"]=>
string(1) "1"
["eventTitle"]=>
string(7) "EVENT 1"
["artistID"]=>
string(1) "3"
["artistName"]=>
string(8) "ARTIST 3"
["artistDescription"]=>
string(20) "ARTIST 3 description"
// etc.
}
[3]=>
object(stdClass)#17 (35) {
["eventID"]=>
string(1) "2"
["eventTitle"]=>
string(7) "EVENT 2"
["artistID"]=>
string(1) "5"
["artistName"]=>
string(8) "ARTIST 5"
["artistDescription"]=>
string(20) "ARTIST 5 description"
// etc.
}
[4]=>
object(stdClass)#17 (35) {
["eventID"]=>
string(1) "2"
["eventTitle"]=>
string(7) "EVENT 2"
["artistID"]=>
string(1) "7"
["artistName"]=>
string(8) "ARTIST 7"
["artistDescription"]=>
string(20) "ARTIST 7 description"
// etc.
}
//etc.
}
我想制作一个如下所示的多维数组:
array(2) {
[1]=>
array(9) {
["eventID"]=>
string(1) "1"
["eventTitle"]=>
string(7) "EVENT 1"
["artists"]=>
array(3) {
[1]=>
array(2) {
["artistName"]=>
string(8) "ARTIST 1"
["artistDescription"]=>
string(20) "ARTIST 1 description"
}
[2]=>
array(2) {
["artistName"]=>
string(8) "ARTIST 2"
["artistDescription"]=>
string(20) "ARTIST 2 description"
}
[2]=>
array(2) {
["artistName"]=>
string(8) "ARTIST 3"
["artistDescription"]=>
string(20) "ARTIST 3 description"
}
}
}
[2]=>
array(9) {
["eventID"]=>
string(1) "2"
["eventTitle"]=>
string(7) "EVENT 2"
["artists"]=>
array(3) {
[1]=>
array(2) {
["artistName"]=>
string(8) "ARTIST 5"
["artistDescription"]=>
string(20) "ARTIST 5 description"
}
[2]=>
array(2) {
["artistName"]=>
string(8) "ARTIST 2"
["artistDescription"]=>
string(20) "ARTIST 7 description"
}
[2]=>
array(2) {
["artistName"]=>
string(8) "ARTIST 3"
["artistDescription"]=>
string(20) "ARTIST 7 description"
}
}
}
}
我开始在 FOR
循环中创建一个数组,但我一直在创建这个 arts[] 数组,最后 30 分钟我完全困惑了 =)
预先感谢您的帮助!
最佳答案
<?php
$output = array();
foreach($resultset as $event)
{
$eventId = $event['eventID'];
$artistId = $event['artistID'];
//Using the eventId as the index ensures the event is unique and easy to lookup in the array.
$output[$eventId]['eventTitle'] = $event['eventTitle'];
$output[$eventId]['eventID'] = $event['eventID'];
//Using the 'artistID' as the index of artists ensures each artist is unique and easy to lookup.
$output[$eventId]['artists'][$artistId]['artistID'] = $artistId;
$output[$eventId]['artists'][$artistId]['artistName'] = $event['artistName'];
$output[$eventId]]['artists'][$artistId]['artistDescription'] = $event['artistDescription'];
}
echo '<pre>' . print_r($output,true) . '</pre>';
关于php - 在php中从mysql简单格式化多维数组,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/1549420/