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PHP Manual
XMLReader
Reads the contents of the current node as a string

XMLReader::readString

(PHP 5 >= 5.2.0, PHP 7)

XMLReader::readString — Reads the contents of the current node as a string

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public XMLReader::readString ( void ) : string

Reads the contents of the current node as a string.

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Returns the content of the current node as a string. Empty string on failure.

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Caution

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XMLReader::readOuterXml() - Retrieve XML from current node, including itself
XMLReader::readInnerXml() - Retrieve XML from current node
XMLReader::expand() - Returns a copy of the current node as a DOM object