ParamsReturnFilterSource
Creates a tag for the ```<head>``` section of your document.
If there is a rendering context, then it also pushes the resulting tag to it. The ```$options``` must match the named parameters from ```$_strings``` for the given ```$tag```.

Parameters

  • string $tag the name of a key in ```$_strings```
  • array $options the options required by ```$_strings[$tag]```

Returns

mixed a string if successful, otherwise NULL
This method can be filtered.

Source

						public function head($tag, array $options) {
		if (!isset($this->_strings[$tag])) {
			return null;
		}
		$method = __METHOD__;
		$filter = function($self, $options, $chain) use ($method, $tag) {
			return $self->invokeMethod('_render', array($method, $tag, $options));
		};
		$head = $this->_filter($method, $options, $filter);
		if ($this->_context) {
			$this->_context->head($head);
		}
		return $head;
	}