(PHP Extension) Iterate over Direct Children with a Specific Tag

Demonstrates how to iterate over direct children 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 = $xml->LoadXmlFile('fruit.xml');
if ($success != true) {
    print $xml->lastErrorText() . "\n";
    exit;
}

//  Get the number of direct children having the tag "fruit"
$numWithTag = $xml->NumChildrenHavingTag('fruit');

if ($numWithTag > 0) {

    for ($i = 0; $i <= $numWithTag - 1; $i++) {
        // child is a CkXml
        $child = $xml->GetNthChildWithTag('fruit',$i);
        print $i . ': ' . $child->tag() . ' : ' . $child->content() . "\n";

    }

    print '-----' . "\n";

    // Do the same as the above loop, but instead of creating
    // a new object instance for each child, call GetNthChildWithTag2 to
    // update the object's reference instead.
    for ($i = 0; $i <= $numWithTag - 1; $i++) {
        // Navigate to the Nth child.  
        $success = $xml->GetNthChildWithTag2('fruit',$i);
        print $i . ': ' . $xml->tag() . ' : ' . $xml->content() . "\n";
        // Navigate back up to the parent:
        $success = $xml->GetParent2();
    }

    print '-----' . "\n";
}


?>