DomElement->get_elements_by_tagname
DomElement->remove_attribute
DOM XML (PHP 4) Funkcje
PHP Manual

# DomElement->has_attribute

(PHP 4 >= 4.1.0)

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

### Opis

DomElement
bool has_attribute ( string `$name` )

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

### Parametry

`name`

  The name of the tested attribute.

### Zwracane wartości

Returns `TRUE` if the asked attribute exists, `FALSE` otherwise.

### Przykłady

Przykład #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.

DomElement->get_elements_by_tagname
DomElement->remove_attribute
DOM XML (PHP 4) Funkcje
PHP Manual