DOMNode::C14N
(PHP 5 >= 5.2.0, PHP 7)
DOMNode::C14N — Canonicalize nodes to a string
说明
   public DOMNode::C14N
    ([ bool 
  $exclusive
   [, bool $with_comments
   [, array $xpath
   [, array $ns_prefixes
  ]]]] ) : stringCanonicalize nodes to a string
参数
- 
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
   Returns canonicalized nodes as a string 或者在失败时返回 FALSE