notes

simplexml

<code>
, <?xml version=DQ1.0DQ encoding=DQutf-8DQ?>
, <languages>
,  <lang>
,  <name>c</name>
,  <appeared>1972</appeared>
,   <creator>Dennis Ritchie</creator>
,  </lang>
,  <lang>
,  <name>php</name>
,   <appeared>1980</appeared>
,   <creator>unknown</creator>
,  </lang>
,  <lang>
,  <name>java</name>
,   <appeared>1995</appeared>
,   <creator>James Gosling</creator>
,  </lang>
, </languages>
, </code>
, 
, <code>
, XML CRUD example
, <?php
, $file = DQlanguages.xmlDQ;
, $languages = simplexml_load_file($file);
, //*--CRUD
, 
, /*--create
, $language = $languages->addChild(lang);
, $language->addChild(name, a name);
, $language->addChild(appeared, a appeared);
, $language->addChild(creator, a created);
, $languages->asXML($file);
, */
, 
, //*--read
, foreach ($languages->lang as $lang) {
,     echo DQName: DQ. $lang->name ;
,     echo DQ Appeared: DQ. $lang->appeared;
,     echo DQ Creator: DQ .$lang->creator. DQ<br><br>DQ;
,     
, }
, /*--update 
, $lang = $languages->xpath(//langname=DQphpDQ);
, $lang0->name = DQphpDQ;
, $lang0->appeared = DQ1980DQ;
, $lang0->creator = DQunknownDQ;
, $languages->asXML($file);
, */
, /*--delete 
, $lang = $languages->xpath(//langname=DQphpDQ);
, unset($lang00);
, $languages->asXML($file);
, */
, </code>
, 
,