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@ 2018-04-18T18:55:30Z

<?php

function array_to_xml(array $data) {
    $document = new DOMDocument();
    array_to_xml_aux($data, $document);
    $document->formatOutput = true;
    return $document;
}

function array_to_xml_aux(array $data, DOMNode $parent, $name = null)
{
    foreach ($data as $key => $value) {
        if ($key[0] == '@') {
            $parent->setAttribute(
                substr($key, 1),
                $value
            );
            continue;
        }

        if (is_numeric($key)) {
            $key = $name;
        }

        if (is_array($value)) {
            $areAllInt = true;
            foreach(array_keys($value) as $k) {
                if (!is_int($k)) {
                    $areAllInt = false;
                    break;
                }
            }
            if ($areAllInt) {
                array_to_xml_aux($value, $parent, $key);
            } else {
                $subnode = new DOMElement($key);
                $parent->appendChild($subnode);
                array_to_xml_aux($value, $subnode, $key);
            }
            
        } else {
            $xml_data->appendChild(new DOMElement($key, $value));
        }
    }
}

$document = array_to_xml(
array(
     'Products' => array(
            'Product' => array('@name' => 'TR-501'),
            'Descricao' => array('@text' => '55.180.198 / 46789771'),
            'Detalhes' => array(
                'Variacao' => array(
                    array(
                        '@modelo' => 'Palio',
                        '@ano' => '2006',
                        '@motor' => '1.0 FIRE 8V (FLEX)',
                    ),
                    array(
                        '@modelo' => 'Palio2',
                        '@ano' => '2007',
                        '@motor' => '1.0 FIRE 9V (FLEX)',
                    ),
                )
            ),
        )
    )
);
echo $document->saveXML();

Output for git.master, git.master_jit: Warning: Trying to access array offset on value of type int in /in/BquYA on line 13 Warning: Trying to access array offset on value of type int in /in/BquYA on line 13 <?xml version="1.0"?> <Products> <Product name="TR-501"/> <Descricao text="55.180.198 / 46789771"/> <Detalhes> <Variacao modelo="Palio" ano="2006" motor="1.0 FIRE 8V (FLEX)"/> <Variacao modelo="Palio2" ano="2007" motor="1.0 FIRE 9V (FLEX)"/> </Detalhes> </Products>
Output for rfc.property-hooks: Warning: Trying to access array offset on int in /in/BquYA on line 13 Warning: Trying to access array offset on int in /in/BquYA on line 13 <?xml version="1.0"?> <Products> <Product name="TR-501"/> <Descricao text="55.180.198 / 46789771"/> <Detalhes> <Variacao modelo="Palio" ano="2006" motor="1.0 FIRE 8V (FLEX)"/> <Variacao modelo="Palio2" ano="2007" motor="1.0 FIRE 9V (FLEX)"/> </Detalhes> </Products>

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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