DOMNode::C14N
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
DOMNode::C14N — Canonicalize nodes to a string
说明
public DOMNode::C14N
( bool
$exclusive = false
, bool $withComments = false
, array|null $xpath = null
, array|null $nsPrefixes = null
) : string|falseCanonicalize nodes to a string
参数
-
exclusive -
Enable exclusive parsing of only the nodes matched by the provided xpath or namespace prefixes.
-
withComments -
Retain comments in output.
-
xpath -
An array of
xpaths to filter the nodes by. -
nsPrefixes -
An array of namespace prefixes to filter the nodes by.
返回值
Returns canonicalized nodes as a string 或者在失败时返回 false