DOM XML (PHP 4) Функции
PHP Manual

DomElement->has_attribute

(PHP 4 >= 4.1.0)

DomElement->has_attribute Checks to see if an attribute exists in the current node

Описание

bool has_attribute ( string $name )

This functions checks to see if an attribute named name exists in the current node.

Параметри

name

The name of the tested attribute.

Връщани стойности

Returns TRUE if the asked attribute exists, FALSE otherwise.

Примери

Example #1 Testing the existence of an attribute

<?php

include("example.inc");

if (!
$dom domxml_open_mem($xmlstr)) {
    echo 
"Error while parsing the document\n";
    exit;
}

$root $dom->document_element();

$buffer '<html';
if (
$root->has_attribute('language')) {
    
$buffer .= 'lang="' $root->get_attribute('language') . '"';
}
$buffer .= '>';

?>

Migrating to PHP 5

Use DOMElement::hasAttribute.


DOM XML (PHP 4) Функции
PHP Manual