31 lines
1.1 KiB
PHP
31 lines
1.1 KiB
PHP
<?php
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//PHP5 only example due to changes in XML extensions between version 4 and 5 (Tested on PHP5.2.0)
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$doc = DOMDocument::loadXML('<inventory title="OmniCorp Store #45x10^3">...</inventory>');
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//Load from file instead with $doc = DOMDocument::load('filename');
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$xpath = new DOMXPath($doc);
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/*
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1st Task: Retrieve the first "item" element
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*/
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$nodelist = $xpath->query('//item');
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$result = $nodelist->item(0);
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/*
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2nd task: Perform an action on each "price" element (print it out)
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*/
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$nodelist = $xpath->query('//price');
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for($i = 0; $i < $nodelist->length; $i++)
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{
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//print each price element in the DOMNodeList instance, $nodelist, as text/xml followed by a newline
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print $doc->saveXML($nodelist->item($i))."\n";
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}
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/*
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3rd Task: Get an array of all the "name" elements
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*/
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$nodelist = $xpath->query('//name');
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//our array to hold all the name elements, though in practice you'd probably not need to do this and simply use the DOMNodeList
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$result = array();
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//a different way of iterating through the DOMNodeList
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foreach($nodelist as $node)
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{
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$result[] = $node;
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}
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