从xml文件中的数组中排序数据

I am in need of help to figure out something.

我需要帮助来找出一些东西。

On my last question I was talking about parsing a XML and listing the values on html: Parse XML to HTML with PHP SimpleXMLElement

在我的上一个问题上,我在讨论解析XML并在html上列出值:使用PHP SimpleXMLElement将XML解析为HTML

I got that going really well, but then a new variable presented itself. :)

我做得很好,但随后出现了一个新的变量。 :)

This is my XML:

这是我的XML:

<?xml version='1.0'?>
<AdXML>

<Response>
    <Campaign>
        <Overview>
            <Name>strip</Name>
                <Description>category</Description>
                <Status>L</Status>
        </Overview>
        <Pages>
            <Url>page01</Url>
            <Url>page02</Url>
            <Url>page03</Url>
        </Pages>
    </Campaign>
</Response>
</AdXML>

My problem start when my XML generate the page's list random.so, one time it would load like this and another time it will load like this:

我的问题开始于我的XML生成页面的列表random.so,有一次它会像这样加载,另一次它会像这样加载:

    <?xml version='1.0'?>
<AdXML>

<Response>
    <Campaign>
        <Overview>
            <Name>strip</Name>
                <Description>category</Description>
                <Status>L</Status>
        </Overview>
        <Pages>
            <Url>page02</Url>
            <Url>page03</Url>
            <Url>page01</Url>
        </Pages>
    </Campaign>
</Response>
</AdXML>

So I went from a simple:

所以我从一个简单的:

<?php foreach ($xmlparsed->Response->Campaign->Pages->Url as $Url) {echo $Url, '<br>';} ?>

to:

<?php 
    $urlarray = array();
    foreach ($xmlparsed->Response->Campaign->Pages->Url as $Url) {$urlarray[] = $Url;}
    sort($urlarray);
    foreach ($urlarray as $key => $val){echo $key,'|',$val, '<br>';}
?>

What I am trying to do is to create an array with the information and then sort the pages alphabetically. I do not understand why cant I sort by value (pages), I can only sort by key and that defeat the purpose just because the xml is generated dynamically and I have no control on how it is formed.

我想要做的是创建一个包含信息的数组,然后按字母顺序对页面进行排序。我不明白为什么我不能按值(页面)排序,我只能按键排序并且因为xml是动态生成而无法控制它的形成而失败了目的。

ay help would be greatly appreciated .

非常感谢你的帮助。

cheers

3 个解决方案

#1

Look at asort and similar functions in PHP, there are a few that will help.

看看PHP中的asort和类似函数,有一些会有所帮助。

#2

This is the case of customized sorting array, in this case I suggest using usort:

这是自定义排序数组的情况,在这种情况下我建议使用usort:

For PHP version >= 5.4:

对于PHP版本> = 5.4:

usort($urlarray, function ($a, $b) {
    if ((int)substr($a, 4, 2) > (int)substr($b, 4, 2)) return 1;
    elseif ((int)substr($a, 4, 2) < (int)substr($b, 4, 2)) return -1;
    else return 0;
});

For PHP version < 5.4:

对于PHP版本<5.4:

function custom_sort($a, $b) {
    if ((int)substr($a, 4, 2) > (int)substr($b, 4, 2)) return 1;
    elseif ((int)substr($a, 4, 2) < (int)substr($b, 4, 2)) return -1;
    else return 0;
}

// then using in usort
usort($urlarray, 'custom_sort');

Hope this help. Regards,

希望这有帮助。问候,

#3

I was able to do it using a SORT_STRING:

我能够使用SORT_STRING来做到这一点:

<?php 
    $urlarray = array();
    foreach ($xmlparsed->Response->Campaign->Pages->Url as $Url) {$urlarray[] = $Url;}
    sort($urlarray, SORT_STRING);
    foreach ($urlarray as $key => $val){echo $key,'|',$val, '<br>';}
?>

thank you all

谢谢你们

#1