Neos.ContentRepository/Classes/Domain/Service/NodeTypeManager.php
public function hasNodeType($nodeTypeName)
    {
        if ($this->cachedNodeTypes === []) {
            $this->loadNodeTypes();
        }
        return isset($this->cachedNodeTypes[$nodeTypeName]);
    }
public function hasNodeType($nodeTypeName)
    {
        if ($this->cachedNodeTypes === []) {
            $this->loadNodeTypes();
        }
        return isset($this->cachedNodeTypes[$nodeTypeName]);
    }
public function hasNodeType ( $ nodeTypeName ) { if ( $ this -> cachedNodeTypes === [ ] ) { $ this -> loadNodeTypes ( ) ; } return isset ( $ this -> cachedNodeTypes [ $ nodeTypeName ] ) ; }
Checks if the specified node type exists

@param string $nodeTypeName Name of the node type
@return boolean true if it exists, otherwise false
@api
Checks if the specified node type exists