| public static getDOMText ( DOMElement $element ) : string | ||
| $element | DOMElement | The element we should extract text from. |
| return | string | The text content of the element. |
public static function getDOMText(\DOMElement $element)
{
if (!$element instanceof \DOMElement) {
throw new \InvalidArgumentException('Invalid input parameters');
}
$txt = '';
for ($i = 0; $i < $element->childNodes->length; $i++) {
$child = $element->childNodes->item($i);
if (!$child instanceof \DOMText) {
throw new \SimpleSAML_Error_Exception($element->localName . ' contained a non-text child node.');
}
$txt .= $child->wholeText;
}
$txt = trim($txt);
return $txt;
}