Allow EE plugin to be called statically from PHP

eecms_plugin_static.php

// Taken from the guts of Stash: https://github.com/croxton/Stash
// is this method being called statically from PHP?
if (func_num_args() > 0 && !(isset($this) && get_class($this) == __CLASS__))
{
	$this->EE->TMPL->tagparams['name']    = $name;
	$this->EE->TMPL->tagparams['type']    = $type;
	$this->EE->TMPL->tagparams['scope']   = $scope;
		
	// as this function is called statically, 
	// we need to get an instance of this object and run get()
	$self = new self();	
	return $self->get();
}