protected function reduceColumns($count)
{
$extraColumns = array_splice($this->content, $count);
$lastKey = ArrayUtil::findLastKey($this->content);
$lastKeyContent = ArrayUtil::getNestedValue($this->content, "{$lastKey}['content']");
if (!isset($lastKeyContent)) {
$lastKeyContent = array();
}
foreach ($extraColumns as $extraColumn) {
$extraColumnContent = ArrayUtil::getArrayValue($extraColumn, 'content');
if (isset($extraColumnContent)) {
$lastKeyContent = CMap::mergeArray($lastKeyContent, $extraColumnContent);
}
}
$this->content[$lastKey]['content'] = $lastKeyContent;
}
/**
* Find the last key if content array
* @return mixed
*/
protected function findLastKeyInContentArray()
{
return ArrayUtil::findLastKey($this->content);
}
