Loads the asset into memory and applies load filters.
You may provide an additional filter to apply during load.
FilterInterface $additionalFilter An additional filter:
Overrides AssetInterface::load
public function load(FilterInterface $additionalFilter = null) {
// loop through leaves and load each asset
$parts = array();
foreach ($this as $asset) {
$asset
->load($additionalFilter);
$parts[] = $asset
->getContent();
}
$this->content = implode("\n", $parts);
}