src/Compiler.php
public function has($identifier)
    {
        return isset($this->dumpableDefinitions[$identifier]) || isset($this->definitions[$identifier]);
    }
public function has($identifier)
    {
        return isset($this->dumpableDefinitions[$identifier]) || isset($this->definitions[$identifier]);
    }
public function has ( $ identifier ) { return isset ( $ this -> dumpableDefinitions [ $ identifier ] ) || isset ( $ this -> definitions [ $ identifier ] ) ; }
@param string $identifier

@return bool
@param string $identifier