使用PHP生成和获取XML格式数据

1.php生成xml

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" alt="" />

aaarticlea/png;base64,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" alt="" />

代码如下：

<?php
header("content-type:text/html;charset=utf-8");
$con = mysql_connect('localhost','root','root');
mysql_query('set names utf8');
$db = mysql_select_db('wh');

// var_dump($con,$db);
$sql = "select * from stu";
$res = mysql_query($sql)or die(mysql_error());

while($row=mysql_fetch_assoc($res)){
$arr[] = array(
   'name' => $row['name'],
   'age' => $row['age'],
   'email' => $row['email']

    );
}

$doc = new DOMDocument('1.0', 'utf-8');  // 声明版本和编码

// var_dump($doc);
$doc->formatOutput = true;

$r = $doc->createElement("root");
$doc->appendChild($r);

foreach ($arr as $dat) {
    $b = $doc->createElement("data");

    $name = $doc->createElement("name");
    $name->appendChild($doc->createTextNode($dat['name']));
    $b->appendChild($name);

    $sex = $doc->createElement("age");
    $sex->appendChild($doc->createTextNode($dat['age']));
    $b->appendChild($sex);

    $age = $doc->createElement("email");
    $age->appendChild($doc->createTextNode($dat['email']));
    $b->appendChild($age);

    $r->appendChild($b);
}

echo $doc->saveXML();

?>

 2.读取xml文件信息

a.准备xml文件: f.xml。如：

<?xml version="1.0" encoding="utf-8"?>
<root>
  <data>
    <name>wuheng</name>
    <age>23</age>
    <email>[e-mail]</email>
  </data>
  <data>
    <name>wuheng009</name>
    <age>22</age>
    <email>[e-mail]</email>
  </data>
  <data>
    <name>wuheng555</name>
    <age>22</age>
    <email>[e-mail]</email>
  </data>
  <data>
    <name>xia</name>
    <age>11</age>
    <email>[e-mail]</email>
  </data>
  <data>
    <name>xia11</name>
    <age>12</age>
    <email>[e-mail]</email>
  </data>
</root>

b.具体的代码，如下：

<?php
header("content-type:text/html;charset=utf-8");
$url = "f.xml";
$reader = new XMLReader();  //实例化XMLReader
$reader->open($url); //获取xml
$i=1;
while ($reader->read()) {
  if ($reader->nodeType == XMLReader::TEXT) { //判断node类型
     $m = $i%3;
     if($m==1)
         $name = $reader->value;  //读取node值
     if($m==2)
         $age = $reader->value;
     if($m==0){
         $email = $reader->value;
         $arr[] = array(
             'name' => $name,
             'age' => $age,
             'email' => $email
         );
     }
     $i++;
  }
}
print_r($arr);

?>