php xml

1.php

   

    <?
    php

    $xmlStr
     
    =
    file_get_contents
    (
    "
    1.xml
    "
    );

    $dom
     
    =
     
    new
     DOMDocument(
    '
    1.0
    '
    );

    $dom
     
    ->
    loadXML(
    $xmlStr
    );

    $xml
     
    =
     
    simplexml_import_dom
    (
    $dom
    );

    $xpath
     
    =
     
    new
     DOMXPath(
    $dom
    );

    $emps
    =
    $xpath
    ->
    query(
    "
    /root/members/member/name
    "
    );

    echo
     
    $emps
    ->
    item(
    0
    )
    ->
    nodeValue;

    $emps
    ->
    item(
    0
    )
    ->
    nodeValue 
    =
     
    "
    0
    "
    ;

    echo
     
    $xml
     
    ->
    members[
    0
    ]
    ->
    member[
    0
    ]
    ->
    name; 
    //
     aaa
    

    $xmlBack
    =
    $dom
    ->
    saveXML();

    file_put_contents
    (
    "
    1.xml
    "
    ,
    $xmlBack
    );


    /*
    *
echo $xml ->members[0]->member[0]->name; // aaa

echo $xml ->members[1]->member[0]->name; // 111
echo "<p>";

 Ñ­»·Áгö µÚÒ»žö members µÄ name;

foreach($xml ->members[0] as $v)
{
 echo $v->name."<br>";
}
*
    */
    

    ?>
   

1.xml

   

    <?
    xml version="1.0"
    ?>
    

    <
    root
    >
    
 
    <
    members
    >
     
 
    <
    member
    >
     
 
    <
    name
    >
    0
    </
    name
    >
     
 
    </
    member
    >
     
 
    <
    member
    >
     
 
    <
    name
    >
    bbb
    </
    name
    >
     
 
    </
    member
    >
     
 
    <
    member
    >
     
 
    <
    name
    >
    ccc
    </
    name
    >
     
 
    </
    member
    >
     
 
    <
    member
    >
     
 
    <
    name
    >
    ddd
    </
    name
    >
     
 
    </
    member
    >
     
 
    </
    members
    >
    
 
    <
    members
    >
     
 
    <
    member
    >
     
 
    <
    name
    >
    11
    </
    name
    >
     
 
    </
    member
    >
     
 
    <
    member
    >
     
 
    <
    name
    >
    22
    </
    name
    >
     
 
    </
    member
    >
     
 
    <
    member
    >
     
 
    <
    name
    >
    33
    </
    name
    >
     
 
    </
    member
    >
     
 
    <
    member
    >
     
 
    <
    name
    >
    44
    </
    name
    >
     
 
    </
    member
    >
     
 
    </
    members
    >
    

    </
    root
    >