(PHP 5 >= 5.1.0, PHP 7, PHP 8)
XMLReader::open — Set the URI containing the XML to parse
$uri, ?string $encoding = null, int $flags = 0): bool|XMLReaderSet the URI containing the XML document to be parsed.
uriURI pointing to the document.
encoding
       The document encoding or null.
      
flagsA bitmask of the LIBXML_* constants.
   成功时返回 true, 或者在失败时返回 false。 If called statically, returns an
   XMLReader 或者在失败时返回 false.
  
   This method may be called statically, but prior to PHP 8.0.0, will issue an
   E_DEPRECATED error in this case.
  
| 版本 | 说明 | 
|---|---|
| 8.0.0 | XMLReader::open() is now declared as static method, but can still be called on an XMLReader instance. |