https://www.w3schools.com/php/php_xml_simplexml_read.asp

- The PHP simplexml_load_string() function is used to read XML data from a string.
- The PHP simplexml_load_file() function is used to read XML data from a file.

<?php

$myXMLData ="<?xml version=\"1.0\" encoding=\"utf-8\"?>
<bookstore>
    <book category=\"COOKING\">
        <title lang=\"en\">Everyday Italian</title>
        <author>Giada De Laurentiis</author>
        <year>2005</year>
        <price>30.00</price>
    </book>
    <book category=\"CHILDREN\">
        <title lang=\"en\">Harry Potter</title>
        <author>J K. Rowling</author>
        <year>2005</year>
        <price>29.99</price>
    </book>
    <book category=\"WEB\">
        <title lang=\"en-us\">XQuery Kick Start</title>
        <author>James McGovern</author>
        <year>2003</year>
        <price>49.99</price>
    </book>
    <book category=\"WEB\">
        <title lang=\"en-us\">Learning XML</title>
        <author>Erik T. Ray</author>
        <year>2003</year>
        <price>39.95</price>
    </book>
</bookstore>";

$xml=simplexml_load_string("$myXMLData") or die("Error: Cannot create object");
foreach($xml->children() as $books) {
    echo $books->title . ", ";
    echo $books->author . ", ";
    echo $books->year . ", ";
    echo '€'.$books->price . "<br>";
}
?>

https://www.mrw.it/php/parsing-xml-php-simplexml_7085.html

https://code.tutsplus.com/tutorials/parse-xml-to-an-array-in-php-with-simplexml--cms-35529