Posted by Brian on 08/17/07 15:12

I have a similar xml file and I redisplay it with the following array in
PHP. What I would like to do is sort the <id> field before it is
redisplayed. Looking for a sample code.

Thanks

<rss>
<item>
<id>3</id>
<name>Brian</name>
</item>
<item>
<id>1</id>
<name>James</name>
</item>
<item>
<id>5</id>
<name>Mark</name>
</item>
<item>
<id>2</id>
<name>Keith</name>
</item>
<item>
<id>4</id>
<name>Derek</name>
</item>
</rss>

<?php
$url = "test.xml";
$data = implode("", file($url));
preg_match_all ("/<item>([^`]*?)<\/item>/", $data, $matches);

// Begin feed
header ("Content-Type: text/xml; charset=ISO-8859-1");
echo "<?xml version=\"1.0\" encoding=\"ISO-8859-1\" ?>\n";
?>

<rss>

<?

foreach ($matches[0] as $match) {

preg_match ("/<id>([^`]*?)<\/id>/", $match, $temp);
$id = $temp['1'];

preg_match ("/<name>([^`]*?)<\/name>/", $match, $temp);
$description = $temp['1'];

// Echo RSS XML
echo "<item>\n";
echo "\t\t\t<id>" . $id . "</id>\n";
echo "\t\t\t<name>" . $name . "</name>\n";
echo "\t\t</item>\n";
}

?></rss>

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