问模块中的Prestashop挂钩[Prestashop 1.5.6.2]

EN

<?php

class dpmessages extends Module
{

function __construct()
{
    $this->name = 'dpmessages';
    $this->tab = 'administration';
    $this->version = '0.1';

    parent::__construct();

    $this->displayName = $this->l('DP messages');
    $this->description = $this->l('Envoyer messages');

    parent::__construct();
    /* The parent construct is required for translations */
}

function install()
{
    $this->registerHook('actionAuthentication');
    if (parent::install() == FALSE
    )
        return FALSE;
    return TRUE;

}

function uninstall()
{
    if (!parent::uninstall())
        return false;
    return true;
}


public function hookActionAuthentication($params) {
    echo "<pre>".print_r($params)."</pre>";die();
}

}