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(PHP ActiveX) XML SearchForAttribute MethodDemonstrates the SearchForAttribute method. The input XML, available at http://www.chilkatsoft.com/data/fruitSearch.xml, is this: <root> <searchRoot> <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> </searchRoot> <fruit color="red">strawberry</fruit> <fruit color="orange">peach</fruit> </root>
<?php // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Xml') $xml = new COM("Chilkat.Xml"); $success = $xml->LoadXmlFile('qa_data/xml/fruitSearch.xml'); if ($success != 1) { print $xml->LastErrorText . "\n"; exit; } // Search the sub-tree rooted at "searchRoot" // xSearchRoot is a Chilkat.Xml $xSearchRoot = $xml->FindChild('searchRoot'); if ($xml->LastMethodSuccess == 0) { print 'searchRoot not found, searching from root.' . "\n"; // xSearchRoot is a Chilkat.Xml $xSearchRoot = $xml->GetRoot(); } // Search for all "fruit" nodes having a color attribute // where the name of the color ends in "e" // xBeginAfter is a Chilkat.Xml $xBeginAfter = $xSearchRoot->GetSelf(); // xFound is a Chilkat.Xml $xFound = $xSearchRoot->SearchForAttribute($xBeginAfter,'fruit','color','*e'); while (($xSearchRoot->LastMethodSuccess == 1)) { print $xFound->Content . ': ' . $xFound->getAttrValue('color') . "\n"; // xBeginAfter is a Chilkat.Xml $xBeginAfter = $xFound; // xFound is a Chilkat.Xml $xFound = $xSearchRoot->SearchForAttribute($xBeginAfter,'fruit','color','*e'); } // The correct output is: // grape: purple // blueberry: blue print '--------------------------' . "\n"; // --------------------------------------------------------------------------------- // Now do the same, but instead use SearchForAttribute2 // which updates the internal reference of the caller instead // of returning the found node. // xBeginAfter is a Chilkat.Xml $xBeginAfter = $xSearchRoot->GetSelf(); // xSearch is a Chilkat.Xml $xSearch = $xSearchRoot->GetSelf(); $success = $xSearch->SearchForAttribute2($xBeginAfter,'fruit','color','*e'); while ($success == 1) { print $xSearch->Content . ': ' . $xSearch->getAttrValue('color') . "\n"; // Copy the internal references so that the next search // begins after the found node. $xBeginAfter->CopyRef($xSearch); $xSearch->CopyRef($xSearchRoot); $success = $xSearch->SearchForAttribute2($xBeginAfter,'fruit','color','*e'); } ?> |
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