DOMNode::C14NFile
(PHP 5 >= 5.2.0, PHP 7)
DOMNode::C14NFile — Canonicalize nodes to a file
说明
   public DOMNode::C14NFile
    ( string 
  $uri
   [, bool $exclusive = FALSE
   [, bool $with_comments = FALSE
   [, array $xpath
   [, array $ns_prefixes
  ]]]] ) : intCanonicalize 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. 
- 
with_comments
- 
     Retain comments in output. 
- 
xpath
- 
     An array of xpaths to filter the nodes by. 
- 
ns_prefixes
- 
     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