Detailed analysis of PHP5 object simplexml

Simplexml_load_file (str file); loads an xml file into a simplexml object. This method returns a handle.

Simplexml_load_string (str string); loads an xml file into a simplexml object. This method returns a handle.

Simplexml_import_dom (data) This function converts a dom node into a simplexml object, where data is a practical DOM node.

$ Simplexml-> addAttribute (name, value) adds an attribute to the simplexml object element. Note that it is a simplexml object element rather than a simplexml object handle.

$ Simplexml-> addChlid (name, value) adds a subnode to the specified XML Node

$ Simplexml-> asXML () returns an XML document in the form of a string from the SimpleXMLElement object, which can be used as an xml document for saving.

$ Simplexml-> attributes () returns an array composed of attributes of the simplexml Element Node of the PHP5 object,

Running the code above will print out an Array, Array ([@ attributes] => Array ([name] => cx, html [tt] => ddd ))

It can be seen that $ simplexml-> attributes () obtains all attributes of an xml Element Node, but is contained in an [@ attributes] array, therefore, you must use $ xml = $ xml ['@ bubutes'] to obtain

$ Simplexml-> Children () returns an array composed of Children of simplexml object element nodes.

$ Simplexml->__ construct () to create a new XML document

$ Simplexml-> getDocNamespaces () This function returns the $ simplexml object-defined namespace

$ Simplexml-> getName () returns the name of the $ simplexml object element, that is, the tag name.

$ Simplexml-> getNamespaces () returns the namespace used by the $ simplexml object.

$ Simplexml-> registerXpathNamespace () This function creates a namespace context for the next XPATH Query

$ Simplexml-> xpath () uses the xpath syntax to parse a PHP5 object simplexml

Instance code 1

 
 

  
  
<?Xml Version="1.0" Encoding="Gbk"?> 
  
  
<LeapsoulXML>
  
  
<LeapsoulInfo>
  
  
<Name>Leapsoul-PHP website development</Name>
  
  
<Website>Http://www.leapsoul.cn</Website>
  
  
<Description>Share the fun of PHP website development and construction, and teach you how to build a website</Description> 
  
  
<Bloger>David</Bloger> 
  
  
<Date>2009-05-</Date> 
  
  
<Qq>QQ: 154130270</Qq> 
  
  
</LeapsoulInfo> 
  
  
 
  
  
<LeapsoulInfo>
  
  
<Name>Leapsoul-PHP website development</Name> 
  
  
<Website>Http://www.leapsoul.cn</Website> 
  
  
<Description>Share the fun of PHP website development and construction, and teach you how to build a website</Description> 
  
  
<Bloger>David</Bloger> 
  
  
<Date>2009-05-13</Date> 
  
  
<Qq>QQ: 154130270</Qq> 
  
  
</LeapsoulInfo> 
  
  
</LeapsoulXML> 
 
 

We can combine the preceding example of the PHP5 object simplexml with our own understanding. We should be able to fully understand this newly added function.