Re: Easy way to grab a value out of XML?

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The XML functions really aren't that hard to use. If you just want a simple parse to pick out something have a look at:

for PHP4: http://php.net/xml_parse_into_struct
for PHP5: http://php.net/simplexml_load_file

-Rasmus

emre@xxxxxxxxx wrote:
you can handle xml output as if a string file, then easily parse xml file with preg_match / preg_match_all,

smt like this can do the job:

<?php
$str="<xml version bla bla><price>somevaluehere</price><price>somevaluehere2</price><price>somevaluehere2</price>etc";



preg_match_all("/<price>([^<])*<\/price>/i", $str, $matches); echo count($matches[0]); for ($i=0; $i< count($matches[0]); $i++) { echo '<br> + '.$matches[0][$i]; } ?>

but you'd better learn to handle xml files via xml parsers.











----- Original Message ----- From: "Brian Dunning" <brian@xxxxxxxxxxxxxxxx>
To: <php-general@xxxxxxxxxxxxx>
Sent: Friday, April 01, 2005 11:53 PM
Subject:  Easy way to grab a value out of XML?


I've been looking at the XML commands and am feeling a bit overwhelmed. My needs are simple and I'm hoping there's an easy solution that I'm just missing. I have a hunk of well-formed XML in a variable, $xml, and it contains only one instance of <price>x.xx</price>. I just want to get the $price out of $xml. What's the simplest way?

- Brian

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