(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0)
XMLWriter::startDocument -- xmlwriter_start_document — Create document tag
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$version
= 1.0
[, string $encoding
= NULL
[, string $standalone
]]] ) : bool���̻����
$xmlwriter
[, string $version
= 1.0
[, string $encoding
= NULL
[, string $standalone
]]] ) : boolStarts a document.
xmlwriter
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version
The version number of the document as part of the XML declaration.
encoding
The encoding of the document as part of the XML declaration.
standalone
yes or no.
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�� ������ʧ��ʱ���� FALSE
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