在PHP中对XML foreach进行排序
这是我的代码,它显示了我想要的结果,但是可以按顺序或顺序列出它们吗在PHP中对XML foreach进行排序,php,xml,foreach,simplexml,Php,Xml,Foreach,Simplexml,这是我的代码,它显示了我想要的结果,但是可以按顺序或顺序列出它们吗 $xml = simplexml_load_file('racing.xml'); foreach ($xml->sport[0]->event_path->event_path as $gameinfo): $description = $gameinfo->description; $getdate = $gameinfo
$xml = simplexml_load_file('racing.xml');
foreach ($xml->sport[0]->event_path->event_path as $gameinfo):
$description = $gameinfo->description;
$getdate = $gameinfo->event['date'];
$event_id = $gameinfo->event['id'];
$date = substr($getdate,0,10);
代码
<?=substr($description, -5)?>
留给我的变量是times,即:14:40、15:50:14:20:18:40等,但它们是按XML的顺序显示的,而不是按时间显示的
是否有一行代码可用于按日期变量对结果进行排序?PHP具有非常有用的排序函数,能够定义用户比较函数。请参阅链接:首先是一些改进代码的一般提示:
foreach ($xml->sport[0]->event_path->event_path as $gameinfo):
这是个坏主意。相反,我给自己做了一份礼物,并给自己一个新的变量(你可以稍后感谢我):
现在您需要对$gameinfos
进行排序。这里的问题是它们是迭代器而不是数组。uasort
函数(以及所有其他数组排序函数)对您没有任何帮助。幸运的是,您可以将迭代转换为数组:
$gameinfos = iterator_to_array($gameinfos, FALSE);
现在,$gameinfos
是一个可以排序的数组。为此,要获取定义排序顺序的值(应该为其排序,$gameinfos
),我假设是您在上面编写的时间substr($description,-5)
:
$order = array();
foreach ($gameinfos as $game)
$order[] = substr($game->description, -5)
;
array_multisort($order, $gameinfos);
// $gameinfos are sorted now.
谢谢你的时间!我现在的代码是:
$xml = simplexml_load_file('racing.xml');
$gameinfos = $xml->sport[0]->event_path->event_path;
foreach ($gameinfos as $gameinfo):
$gameinfos = iterator_to_array($gameinfos, FALSE);
$order = array();
foreach ($gameinfos as $game)
$order[] = substr($game->description, -5) ;
array_multisort($order, $gameinfos);
// $gameinfos are sorted now.
$description = $gameinfo->description;
$getdate = $gameinfo->event['date'];
$event_id = $gameinfo->event['id'];
$date = substr($getdate,0,10);
不过,这只返回了一个结果,我想我在这一过程中犯了一些错误?我正在绞尽脑汁想如何将其应用到我的代码中,不过,明天我会用新的眼光来看看!谢谢
$xml = simplexml_load_file('racing.xml');
$gameinfos = $xml->sport[0]->event_path->event_path;
foreach ($gameinfos as $gameinfo):
$gameinfos = iterator_to_array($gameinfos, FALSE);
$order = array();
foreach ($gameinfos as $game)
$order[] = substr($game->description, -5) ;
array_multisort($order, $gameinfos);
// $gameinfos are sorted now.
$description = $gameinfo->description;
$getdate = $gameinfo->event['date'];
$event_id = $gameinfo->event['id'];
$date = substr($getdate,0,10);