DOMNode::C14NFile

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

DOMNode::C14NFile — Canonicalize nodes to a file

说明

public DOMNode::C14NFile(
    string $uri,
    bool $exclusive = false,
    bool $withComments = false,
    ?array $xpath = null,
    ?array $nsPrefixes = null
): int|false

Canonicalize nodes to a file.

参数

uri

Path to write the output to.

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. Each entry in this array is an associative array with:

  • A required query key containing the XPath expression as a string.
  • An optional namespaces key containing an array that maps namespace prefixes (keys) to namespace URIs (values).

nsPrefixes

An array of namespace prefixes to filter the nodes by.

返回值

Number of bytes written 或者在失败时返回 false

参见