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(PHP ActiveX) Traverse Direct Children via FirstChild / NextSibling, or LastChild / PreviousSiblingDemonstrates some ways to iterate over direct child nodes using the FirstChild / NextSibling and LastChild / PreviousSibling methods. The input XML, available at http://www.chilkatsoft.com/data/fruit.xml, is this: <root> <fruit color="red">apple</fruit> <fruit color="green">pear</fruit> <veg color="orange">carrot</veg> <meat animal="cow">beef</meat> <xyz> <fruit color="blue">blueberry</fruit> <veg color="green">broccoli</veg> </xyz> <fruit color="purple">grape</fruit> <cheese color="yellow">cheddar</cheese> </root>
<?php // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Xml') $xml = new COM("Chilkat.Xml"); $success = $xml->LoadXmlFile('qa_data/xml/fruit.xml'); if ($success != 1) { print $xml->LastErrorText . "\n"; exit; } // Iterate over the direct children by using FirstChild / NextSibling // child is a Chilkat.Xml $child = $xml->FirstChild(); $bContinue = $xml->LastMethodSuccess; while (($bContinue == 1)) { print $child->Tag . ' : ' . $child->Content . "\n"; // nextSibling is a Chilkat.Xml $nextSibling = $child->NextSibling(); $bContinue = $child->LastMethodSuccess; // child is a Chilkat.Xml $child = $nextSibling; } print '-----' . "\n"; // Do the same, but with FirstChild2 / NextSibling2 to avoid // creating so many XML object instances: $success = $xml->FirstChild2(); while ($success == 1) { print $xml->Tag . ' : ' . $xml->Content . "\n"; $success = $xml->NextSibling2(); } // Revert back up to the parent: $success = $xml->GetParent2(); print '-----' . "\n"; // Iterate in reverse order using LastChild / PreviousSibling // child is a Chilkat.Xml $child = $xml->LastChild(); $bContinue = $xml->LastMethodSuccess; while (($bContinue == 1)) { print $child->Tag . ' : ' . $child->Content . "\n"; // prevSibling is a Chilkat.Xml $prevSibling = $child->PreviousSibling(); $bContinue = $child->LastMethodSuccess; // child is a Chilkat.Xml $child = $prevSibling; } print '-----' . "\n"; // Do the same, but with LastChild2 / PreviousSibling2 to avoid // creating so many XML object instances: $success = $xml->LastChild2(); while ($success == 1) { print $xml->Tag . ' : ' . $xml->Content . "\n"; $success = $xml->PreviousSibling2(); } // Revert back up to the parent: $success = $xml->GetParent2(); ?> |
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