How can a beginner in PHP approach the task of renaming nodes in an XML file for integration with a warehouse management system?

To rename nodes in an XML file for integration with a warehouse management system, a beginner in PHP can use the SimpleXMLElement class to parse the XML file, find the nodes that need to be renamed, and update their names accordingly. This can be achieved by accessing the nodes using their current names and then setting new names for them. 

<?php
// Load the XML file
$xml = simplexml_load_file('warehouse_data.xml');

// Find and rename the nodes
foreach ($xml->children() as $node) {
    if ($node->getName() == 'old_node_name') {
        $node->setName('new_node_name');
    }
}

// Save the updated XML
$xml->asXML('updated_warehouse_data.xml');
?>

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