How can PHP developers effectively store XML data in arrays for easy retrieval and manipulation?

Storing XML data in arrays for easy retrieval and manipulation in PHP can be achieved by using the SimpleXMLElement class to parse the XML data into an object, and then converting it to an array using the json_encode and json_decode functions. This allows for easy access to the XML data as an associative array.

$xmlString = "<data><item><name>John</name><age>25</age></item><item><name>Jane</name><age>30</age></item></data>";
$xmlObject = simplexml_load_string($xmlString);
$jsonString = json_encode($xmlObject);
$arrayData = json_decode($jsonString, true);

// Now $arrayData contains the XML data in an associative array format
print_r($arrayData);