What strategies can be implemented to ensure that all nodes are properly processed in a while loop when using XMLReader in PHP?

When using XMLReader in PHP to process XML nodes in a while loop, it is important to ensure that all nodes are properly processed. One common issue is forgetting to move the pointer to the next node within the loop, which can result in an infinite loop or skipping nodes. To solve this issue, make sure to call the `read()` method inside the loop to advance to the next node. 

$reader = new XMLReader();
$reader->open('example.xml');

while ($reader->read()) {
    // Process the node here
    
    // Move to the next node
    $reader->next();
}

$reader->close();

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