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PHP Dokumentation: Function domelement-has-attribute

12. Januar 2010 von werner

DomElement->has_attribute

(PHP 4 >= 4.1.0)

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

Beschreibung

DomElement

bool has_attribute ( string $name )

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

Parameter-Liste

name: The name of the tested attribute.

Rückgabewerte

Returns TRUE if the asked attribute exists, FALSE otherwise.

Beispiele

Beispiel #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 .= '>';