class HoloHead{
    public $playerHolo = array(
        '1' => array(
            'type' => 'player',
            'title' => '1 - Test Player',
            'lines' => 2,
            'stayTime' => 5,
            'updateIn' => 3600,
            'error' => 0,
            'holoId' => 4,
            'sortId' => 4,
        ),
        '2' => array(
            'type' => 'player',
            'title' => '2 - Test Player',
            'lines' => 2,
            'stayTime' => 5,
            'updateIn' => 3600,
            'error' => 0,
            'holoId' => 5,
            'sortId' => 5,
        ),
        '3' => array(
            'type' => 'player',
            'title' => '3 - Test Player',
            'lines' => 2,
            'stayTime' => 5,
            'updateIn' => 3600,
            'error' => 0,
            'holoId' => 6,
            'sortId' => 6,
        ),
    );

    public function index($response, $gamemode){

        $playerHolo = $this->playerHolo;

        if($gamemode === 'playerHolo'){
            var_dump(array_push($playerHolo, 'player' => 'UsernameHere')); //invalid syntax (the =>)
        }
    }
}