(PHP Extension) XML Sort by Content

Demonstrates the SortByContent method.

The input XML, available at http://www.chilkatsoft.com/data/fruitSort2.xml, is this:

<root>
    <fruits>
        <apples>
            <apple>fuji</apple>
            <apple>gala</apple>
            <apple>granny smith</apple>
            <apple>honeycrisp</apple>
            <apple>mcintosh</apple>
        </apples>
        <fruit>banana</fruit>
        <fruit>blackberry</fruit>
        <fruit>blueberry</fruit>
        <fruit>orange</fruit>
        <fruit>pear</fruit>
    </fruits>
</root>

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<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

$xml = new CkXml();

// The sample input XML is available at http://www.chilkatsoft.com/data/fruitSort2.xml
$success = $xml->LoadXmlFile('fruitSort2.xml');
if ($success != true) {
    print $xml->lastErrorText() . "\n";
    exit;
}

// Sort the direct children under the "fruits" node by tag:
// xSortRoot is a CkXml
$xSortRoot = $xml->FindChild('fruits');

// Sort in ascending order.
$bAscending = true;
$xSortRoot->SortByContent($bAscending);

// Show the result:
print $xml->getXml() . "\n";

// Note:  The "apples" node contains child nodes, but its 
// text content is 0-length (empty).  Therefore, when sorting in
// ascending order, it will be positioned before the direct
// children containing non-empty content.

// <root>
//     <fruits>
//         <apples>
//             <apple>granny smith</apple>
//             <apple>gala</apple>
//             <apple>fuji</apple>
//             <apple>mcintosh</apple>
//             <apple>honeycrisp</apple>
//         </apples>
//         <fruit>banana</fruit>
//         <fruit>blackberry</fruit>
//         <fruit>blueberry</fruit>
//         <fruit>orange</fruit>
//         <fruit>pear</fruit>
//     </fruits>
// </root>

// Sort the direct children under the "apples" node:
$success = $xSortRoot->FindChild2('apples');

$xSortRoot->SortByContent($bAscending);
print $xml->getXml() . "\n";

// <root>
//     <fruits>
//         <apples>
//             <apple>fuji</apple>
//             <apple>gala</apple>
//             <apple>granny smith</apple>
//             <apple>honeycrisp</apple>
//             <apple>mcintosh</apple>
//         </apples>
//         <fruit>banana</fruit>
//         <fruit>blackberry</fruit>
//         <fruit>blueberry</fruit>
//         <fruit>orange</fruit>
//         <fruit>pear</fruit>
//     </fruits>
// </root>


?>