children() function in PHP XML

xml-sample1.php

<?Php
$str_xml = <<<XML
<?xml version='1.0' standalone='yes'?>
<details>
<name>Abcd</name>
<address>
  	<door_no>234-ac</door_no>
	<street>Great Wall</street>
	<city>Alabama</city>
</address>

</details>
XML;
?>

<?php
require "xml-sample1.php";
$main1 = new SimpleXMLElement($str_xml);

foreach ($main1->children() as $child1) {
echo  '<br><b>getName</b> : '.$child1->getName().' <b>children</b> : '. $child1;
foreach ($child1->children() as $child2) {
echo  '<br><b>getName</b> : '.$child2->getName().' <b>children</b> : '. $child2;
}
}

?>

getName : name children : Abcd

getName : address children : 

getName : door_no children : 234-ac

getName : street children : Great Wall

getName : city children : Alabama

Use the xml file file-xml-demo.php

$xml = simplexml_load_file('file-xml-demo.xml');
   
 echo $xml->details[0]->name;     // Output John Deo 
 echo $xml->details[0]->count(); // Output 3 
 echo "<br>";
 echo $xml->details[2]->name;     // Output Arnold 

$xml = simplexml_load_file('file-xml-demo.xml');

foreach ($xml as $child1) {
echo  "<br>". $child1->getName()." : $child1";
foreach ($child1 as $child2) {
echo "<br>". $child2->getName()." : $child2";
}
}