DOMElement::removeAttribute
(PHP 5, PHP 7)
DOMElement::removeAttribute — Removes attribute
说明
$name
)
Removes attribute named name from the element.
参数
-
name -
The name of the attribute.
返回值
成功时返回 TRUE ， 或者在失败时返回 FALSE 。
错误／异常
-
DOM_NO_MODIFICATION_ALLOWED_ERR -
Raised if the node is readonly.
参见
- DOMElement::hasAttribute() - Checks to see if attribute exists
- DOMElement::getAttribute() - Returns value of attribute
- DOMElement::setAttribute() - Adds new attribute
用户评论:
[#1] suwayan at mail dot ru [2012-03-30 12:19:09]
<?php
function is_attribute_value($obj,$type,$value)
{
$_ret=false;
if($obj)
{
if($val=$obj->getAttribute($type))
{
if($val==$value)
{
$_ret=true;
}
}
}
return $_ret;
}
//And this check helped to me:
function is_attribute_value($obj,$type,$value)
{
$_ret=false;
if($obj->attributes)
{
if($val=$obj->getAttribute($type))
{
if($val==$value)
{
$_ret=true;
}
}
}
return $_ret;
}
?>
[#2] Rakesh Verma - rakeshnsony at gmail dot com [2010-11-10 23:38:20]
<?php
//Store your html into $html variable.
$html="<html>
<head>
<title>Rakesh Verma</title>
</head>
<body>
<a href='http://example.com'>Example</a>
<a href='http://google.com'>Google</a>
<a href='http://www.yahoo.com'>Yahoo</a>
</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.".au";
//remove and set href attribute
$href->removeAttribute('href');
$href->setAttribute("href", $newURL);
}
// save html
$html=$dom->saveHTML();
echo $html;
?>