lib/Elastica/Node/Info.php
public function get()
    {
        $data = $this->getData();

        foreach (\func_get_args() as $arg) {
            if (isset($data[$arg])) {
                $data = $data[$arg];
            } else {
                return null;
            }
        }

        return $data;
    }
public function get()
    {
        $data = $this->getData();

        foreach (\func_get_args() as $arg) {
            if (isset($data[$arg])) {
                $data = $data[$arg];
            } else {
                return null;
            }
        }

        return $data;
    }
public function get ( ) { $ data = $ this -> getData ( ) ; foreach ( \ func_get_args ( ) as $ arg ) { if ( isset ( $ data [ $ arg ] ) ) { $ data = $ data [ $ arg ] ; } else { return null ; } } return $ data ; }
Returns the entry in the data array based on the params.
Several params possible.

Example 1: get('os', 'mem', 'total') returns total memory of the system the
node is running on
Example 2: get('os', 'mem') returns an array with all mem infos

@return mixed Data array entry or null if not found
Returns the entry in the data array based on the params . Several params possible .