Set value for a property
The new value(s) will replace the existing values for the property. The name of the property should be a string. If you set a property to null or an empty array, then the property will be deleted.
string $property The name of the property (e.g. foaf:name):
mixed $value The value for the property.:
integer The number of values added (1 or 0)
public function set($property, $value) {
$this
->checkHasGraph();
return $this->graph
->set($this->uri, $property, $value);
}