代码编辑器：
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$note = <<<XML4
<?xml version="1.0" encoding="UTF-8"?>5
<note>6
<to>小明</to>7
<from>小红</from>8
<heading>短信</heading>9
<body>I miss you so much</body>10
</note>11
XML;12
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$xml = new SimpleXMLElement($note);14
echo $xml->body;15