[edit] Last updated: Fri, 14 Jun 2013

DOMElement::setAttribute

(PHP 5)

DOMElement::setAttribute — Adds new attribute

Descrição

DOMAttr DOMElement::setAttribute ( string $name , string $value )

Sets an attribute with name name to the given value. If the attribute does not exist, it will be created.

Parâmetros

name: The name of the attribute.
value: The value of the attribute.

Valor Retornado

The new DOMAttr or FALSE if an error occurred.

Erros

DOM_NO_MODIFICATION_ALLOWED_ERR: Raised if the node is readonly.

Exemplos

Exemplo #1 Setting an attribute


<?php
$doc = new DOMDocument("1.0");
$node = $doc->createElement("para");
$newnode = $doc->appendChild($node);
$newnode->setAttribute("align", "left");
?>

Veja Também

DOMElement::hasAttribute() - Checks to see if attribute exists
DOMElement::getAttribute() - Returns value of attribute
DOMElement::removeAttribute() - Removes attribute

DOMElement::setAttributeNode

DOMElement::removeAttributeNS

[edit] Last updated: Fri, 14 Jun 2013

add a note User Contributed Notes DOMElement::setAttribute - [5 notes]

down

Rakesh Verma - rakeshnsony at gmail dot com ¶

2 years ago


<?php

//Store your html into $html variable.

$html="

<html>

<head>

<title>Untitled Document</title>

</head>



<body>

    <a href='http://example.com'>Example</a><br>

    <a href='http://google.com'>Google</a><br>

    

    <a href='http://www.yahoo.com'>Yahoo</a><br>

</body>



</html>";



$dom = new DOMDocument();

$dom->loadHTML($html);



//Evaluate Anchor tag in HTML

$xpath = new DOMXPath($dom);

$hrefs = $xpath->evaluate("/html/body//a");



for ($i = 0; $i < $hrefs->length; $i++) {

        $href = $hrefs->item($i);

        $url = $href->getAttribute('href');



        //remove and set target attribute        

        $href->removeAttribute('target');

        $href->setAttribute("target", "_blank");



        $newURL=$url."/newurl";



        //remove and set href attribute        

        $href->removeAttribute('href');

        $href->setAttribute("href", $newURL);

}



// save html

$html=$dom->saveHTML();



echo $html;



?>

down

lehal2@hotmail ¶

12 days ago


The use of Dom to first remove and then add the width and height to the first img tag from the text.I hope it help you to save your time

<?php

$html = '



            <img src="http://www.example.com/images/header.jpg" width="898" height="223" style="border-bottom:5px solid #cccccc;"/>

        <img src="http://www.example.com/images/header2.jpg" width="898" height="223" style="border-bottom:5px solid #cccccc;"/>

        ';



$doc = DOMDocument::loadHTML($html);

$c =0;

foreach($doc->getElementsByTagName('img') as $image){

    if ($c>0) continue;

    foreach(array('width', 'height') as $attribute_to_remove){

        echo $attribute_to_remove;

        if($image->hasAttribute($attribute_to_remove)){

            $image->removeAttribute($attribute_to_remove);



        }

        if($attribute_to_remove=='height'){

            if(!$image->hasAttribute($attribute_to_remove)){

                $image->setAttribute($attribute_to_remove,'220');



            }}

        if($attribute_to_remove=='width'){

      if(!$image->hasAttribute($attribute_to_remove)){

            $image->setAttribute($attribute_to_remove,'700');



        }}

        $c = $c+1;

    }

}

echo $doc->saveHTML();

down

address at gmail dot com ¶

4 years ago


If wanting to set an attribute of an element with unique id of "1"



<?php

$dom = new DomDocument();

$dom->load('test.xml');

$xp = new DomXPath($dom);

$res = $xp->query("//*[@id = '1']");

$res->item(0)->setAttribute('title','2');

$dom->save('test.xml');

?>

down

Vasil Rangelov ¶

5 years ago


@karvjorm,

Using this method is not exactly a good practice. Infact, I think it may be a bug.

Names beginning with "xml" are reserved (for namespaces in this case).

setAttribute() should return false in this case I think, but I suppose it doesn't.



Still, the right way to do it is with createElementNS().

It lets you specify the namespace when creating the element node.



So the equivalent to yours ($html added to allow word wrapping) is:



$dom = new DomDocument('1.0','iso-8859-15');

$html = $dom->createElementNS('http://www.w3.org/1999/xhtml', 'html');

$ht_ml = $dom->appendChild($html);

$ht_ml->setAttribute('xml:lang','fi');

$ht_ml->setAttribute('lang','fi');

down

karvjorm at users.sourceforge.net ¶

6 years ago


$dom = new DomDocument('1.0','iso-8859-15');



$ht_ml = $dom->appendChild($dom->createElement('html'));

$ht_ml->setAttribute('xmlns','http://www.w3.org/1999/xhtml');

$ht_ml->setAttribute('xml:lang','fi');

$ht_ml->setAttribute('lang','fi');



Result:



<?xml version="1.0" encoding="iso-8859-15"?>

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="fi" lang="fi">

add a note