PHP XML file interpretation class application example, phpxml class application example_PHP tutorial

PHP’s XML file interpretation application example, phpxml application example

The example in this article describes PHP's XML file interpretation class and its usage, which is a very practical technique. Share it with everyone for your reference. The details are as follows:

XMLParser.class.php class file is as follows:

<&#63;php 
/** XML 文件分析类 
*  Date:  2013-02-01 
*  Author: fdipzone 
*  Ver:  1.0 
* 
*  func: 
*  loadXmlFile($xmlfile)   读入xml文件输出Array 
*  loadXmlString($xmlstring) 读入xmlstring 输出Array 
*/ 
 
class XMLParser{ 
 
  /** 读取xml文件 
  * @param String $xmlfile 
  * @return Array 
  */ 
  public function loadXmlFile($xmlfile){ 
    // get xmlfile content 
    $xmlstring = file_exists($xmlfile)&#63; file_get_contents($xmlfile) : ''; 
    // parser xml 
    list($flag, $data) = $this->parser($xmlstring); 
    return $this->response($flag, $data); 
  } 
 
  /** 读取xmlstring 
  * @param String $xmlstring 
  * @return Array 
  */ 
  public function loadXmlString($xmlstring){ 
    // parser xml 
    list($flag, $data) = $this->parser($xmlstring); 
    return $this->response($flag, $data); 
  } 
 
  /** 解释xml内容 
  * @param  String $xmlstring 
  * @return Array 
  */ 
  private function parser($xmlstring){ 
    $flag = false; 
    $data = array(); 
    // check xml format 
    if($this->checkXmlFormat($xmlstring)){ 
      $flag = true; 
      // xml to object 
      $data = simpleXML_load_string($xmlstring, 'SimpleXMLElement', LIBXML_NOCDATA); 
      // object to array 
      $this->objectToArray($data); 
    } 
    return array($flag, $data); 
  } 
 
  /** 检查xml格式是否正确 
  * @param String $xmlstring 
  * @return boolean 
  */ 
  private function checkXmlFormat($xmlstring){ 
    if($xmlstring==''){ 
      return false; 
    } 
    $xml_parser_obj = xml_parser_create(); 
 
    if(xml_parse_into_struct($xml_parser_obj, $xmlstring, $vals, $indexs)===1){ // 1:success 0:fail 
      return true; 
    }else{ 
      return false; 
    } 
  } 
 
  /** object 转 Array 
  * @param object $object 
  * @return Array 
  */ 
  private function objectToArray(&$object){ 
     
    $object = (array)$object; 
     
    foreach($object as $key => $value){ 
      if($value==''){ 
        $object[$key] = ""; 
      }else{ 
        if(is_object($value) || is_array($value)){ 
          $this->objectToArray($value); 
          $object[$key] = $value; 
        } 
      } 
    } 
  } 
 
  /** 输出返回 
  * @param boolean $flag true:false 
  * @param Array  $data 转换后的数据 
  * @return Array 
  */ 
  private function response($flag=false, $data=array()){ 
    return array($flag, $data); 
  } 
} 
&#63;>

Demo sample program is as follows:

<&#63;php 
require "XMLParser.class.php"; 
 
$xmlfile = 'file.xml'; 
$xmlstring = '<&#63;xml version="1.0" encoding="utf-8"&#63;> 
<xmlroot> 
<status>1000</status> 
<info></info> 
<result><id>100</id> 
<name>fdipzone</name> 
<gender>1</gender> 
<age>28</age> 
</result> 
</xmlroot>'; 
echo '<pre class="brush:php;toolbar:false">'; 
$xml_parser = new XMLParser(); 
echo "response xmlfile\r\n"; 
list($flag, $xmldata) = $xml_parser->loadXmlFile($xmlfile); 
if($flag){ 
  print_r($xmldata); 
} 
echo "response xmlstring\r\n"; 
list($flag, $xmldata) = $xml_parser->loadXmlString($xmlstring); 
if($flag){ 
  print_r($xmldata); 
} 
echo '

'; ?>

For information about PHP’s XML predefined constants, please refer to the official documentation:
http://www.php.net/manual/en/libxml.constants.php

I hope this article will be helpful to everyone’s learning of PHP programming.

How to generate xml file in php

7ce5e5a8ee6a1d26db29415dec98a169createElement('newmodule');// root node
$dom->appendChild($module);

$year=$dom ->createElement('year'); // add attribute node
$name=$dom->createAttribute('name');
$name->nodeValue="Latest News";
$year->setAttributeNode($name);
$module->appendChild($year);

$news=$dom->createElement('news');
$year->appendChild($news);

$date=$dom->createElement('date');
$date_value=$dom->createTextNode('01-24' );
$date->appendChild($date_value);
$news->appendChild($date);

$title=$dom->createElement('title') ;
$title_value=$dom->createTextNode('b58cad771cc59a43d3c290316a537166');
$title->appendChild($title_value);
$news- >appendChild($title);

$info=$dom->createElement('info');
$info_value=$dom->createTextNode('1222b2605e3710fda17c0b5c234bc256');
$ info->appendChild($info_value);
$news->appendChild($info);

echo $dom->saveXML();
$dom->save( $path);
?>

Read xml content in php file

3dc475eaf8c104f7235b48ac9ae32e92"
next
response.write "0c6dc11e160d3b678d68754cc175188a"
next

Set objAtr=Nothing
Set objNode=Nothing
Set xml=Nothing
%>
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