The XML document below has been parsed into $xml via SimpleXML. How can the value of <foo> tag accessed?
<?xml version=’1.0′?>
<document>
<bar>
<foo>Value</foo>
</bar>
</document>
A. $xml->bar[‘foo’]
B. $xml->bar->foo
C. $xml[‘document’][‘bar’][‘foo’]
D. $xml->document->bar->foo
E: $xml->getElementByName(‘foo’);
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