php: parsing table structure with SimpleXML - php

Question

I'm trying to read in an xml file that for some reason has been modeled in a table structure like so:
<tr id="1">
<td name="Date">10/01/2009</td>
<td name="PromoName">Sample Promo Name</td>
<td name="PromoCode">Sample Promo Code</td>
<td name="PromoLevel" />
</tr>
This is just one sample row, the file has multiple <tr> blocks and it's all surrounded by <table>.
How can I read in the values, with all of the lines being named <td> name?

Answer 1

You could use simpleXML with an XPath expression.
$xml = simplexml_load_file('myFile.xml');
$values = $xml->xpath('//td[#name]');
foreach($values as $v) {
echo "Found $v<br />";
}
This would give you all the TD node values that have a name attribute, e.g.
Found 10/01/2009
Found Sample Promo Name
Found Sample Promo Code
Found <nothing cuz PromoLevel is empty>
Edit To get through all the Table Rows, you could do something like this:
$rows = $xml->xpath('//tr');
foreach($rows as $row) {
echo $row['id'];
foreach($row->td as $td) {
if($td['name']) {
echo $td['name'],':',$td,'<br/>',PHP_EOL;
}
}
}
You might also want to have a look at this article.
Edit Fixed the XPath expression, as Josh suggested.