| public textBefore ( string $text = null ) : mixed | ||
| $text | string | If this is set, it will be inserted before each node in the current set of selected items. |
| return | mixed | Returns the DOMQuery object if $text was set, and returns a string (possibly empty) if no param is passed. |
public function textBefore($text = null)
{
if (isset($text)) {
$textNode = $this->document->createTextNode($text);
return $this->before($textNode);
}
$buffer = '';
foreach ($this->matches as $m) {
$p = $m;
while (isset($p->previousSibling) && $p->previousSibling->nodeType == XML_TEXT_NODE) {
$p = $p->previousSibling;
$buffer .= $p->textContent;
}
}
return $buffer;
}