(PHP Extension) Find Direct Child with Specific Tag

Demonstrates how to find a direct child having a specific tag.

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>

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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/fruit.xml
$success = $xml->LoadXmlFile('qa_data/xml/fruit.xml');
if ($success != true) {
    print $xml->lastErrorText() . "\n";
    exit;
}

// Find the direct child node having the tag "meat", and 
// return a new instance of the XML object referencing the
// child node, if found.
// child is a CkXml
$child = $xml->FindChild('meat');
if ($xml->get_LastMethodSuccess() == false) {
    print 'No direct child having the tag \'meat\' was found.' . "\n";
}
else {
    print 'Content = ' . $child->content() . "\n";

}

// The same can be accomplished without creating a new 
// XML object instance.  Instead, the FindChild2 method updates
// the caller's internal reference to the found child, if successful.
$success = $xml->FindChild2('meat');
if ($success == true) {
    // Success!  The xml object now references the found child.
    print 'Content = ' . $xml->content() . "\n";
    // Restore the reference back to the parent.
    $success = $xml->GetParent2();
}
else {
    print 'No direct child having the tag \'meat\' was found.' . "\n";
}


?>