/**
* Retrieves the header of the table.
*
* @param TableNode $table The table node.
* @return Array The names of the header cells.
*/
private function getHeader($table)
{
$rows = $table->getChildren();
if (empty($rows)) {
return array();
}
if (count($rows[0]->getChildren()) > 1) {
$headerRow = $rows[0];
} else {
if (count($rows) > 1 && count($rows[1]->getChildren()) > 1) {
$headerRow = $rows[1];
} else {
return array();
}
}
$header = array();
foreach ($headerRow->getChildren() as $headerCell) {
$headerStr = $this->nodeToString($headerCell);
if (empty($headerStr)) {
continue;
}
$header[] = $headerStr;
}
return $header;
}
