DomElement->get_elements_by_tagname()DomElement->has_attribute()
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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 .= '>';
?>
Migrating to PHP 5
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