User Guide for Prestashop Redis Cache

• Improves the loading time of the web pages by using a structured way to store data in memory.
• A faster loading website leads to improved customer experience.
• Reduces the bounce rate on the website.
• Stores cache in Redis.
• Stores page cache in Redis.
• Improve the overall performance of your Prestashop store.

• Firstly, go to the Module Manager in Back office and click on ‘upload a module’.
• After that, Drag and drop the module file or select the file from the system.
• In this way, the module installation will be successful.

In Prestashop, version 1.7.3.x, to display CachePhpRedis radio option on the performance->caching section. Please add the following code in CachingType.php file.

Path: prestashop/src/PrestaShopBundle/Form/Admin/AdvancedParameters/Performance/CachingType.php

(1) Add this code:-

use PrestaShop\PrestaShop\Core\Addon\Module\ModuleManagerBuilder;

At line 34, just after use Symfony\Component\OptionsResolver\OptionsResolver;

(2) Add this code:-

public function isWkRedisModuleEnabled()
{
$moduleManagerBuilder = ModuleManagerBuilder::getInstance();
$moduleManager = $moduleManagerBuilder->build();
if ($moduleManager->isInstalled('wkrediscache') && $moduleManager->isEnabled('wkrediscache')) {
return true;
}

return false;
}

At line 46, Just after

private $extensionsList = [
'CacheMemcache' => ['memcache'],
'CacheMemcached' => ['memcached'],
'CacheApc' => ['apc', 'apcu'],
'CacheXcache' => ['xcache'],
];

(3) Add this code:-

$choices = array(
'Memcached via PHP::Memcache' => 'CacheMemcache',
'Memcached via PHP::Memcached' => 'CacheMemcached',
'APC' => 'CacheApc',
'Xcache' => 'CacheXcache',
);
if ($this->isWkRedisModuleEnabled()) {
$choices['CachePhpRedis'] = 'CachePhpRedis';
$this->extensionsList['CachePhpRedis'] = array('CachePhpRedis');
}

At line 61, just after public function buildForm(FormBuilderInterface $builder, array $options) {

(4) Remove this below code from line 74 to 79 just after ->add(‘caching_system’, ChoiceType::class, [

'choices' => [
'Memcached via PHP::Memcache' => 'CacheMemcache',
'Memcached via PHP::Memcached' => 'CacheMemcached',
'APC' => 'CacheApc',
'Xcache' => 'CacheXcache',
],

And add this below code at line 74

'choices' => $choices,

(5) Add this code:-

if ($this->isWkRedisModuleEnabled()) {
if ($extensionName == 'CachePhpRedis') {
$disabled = false;
break;
}
}

At line 91, just after foreach ($this->extensionsList[$index] as $extensionName) {

(6) Add this code

'CachePhpRedis' => $this->trans('CachePhpRedis', 'Admin.Advparameters.Feature')

At line 179, just after

'CacheXcache' => $this->trans('Xcache', 'Admin.Advparameters.Feature')
. ' '
. $this->trans(
'(you must install the [a]Xcache extension[/a])',
'Admin.Advparameters.Notification',
[
'[a]' => '<a href="http://xcache.lighttpd.net" target="_blank">',
'[/a]' => '</a>',
]
),

After the successful installation of the module, follow the below steps.

• Firstly go to the Advanced Parameters section.
• Then go to the caching section in the performance tab.
• At last, you need to enable caching.

Firstly, you enable cache and select Redis as caching system. After that, you can configure the module.

In the configuration settings, you need enter following details

• Redis server IP
• Port of Redis server
• Authentication key(if applicable)
• and the Database number

In case, if admin doesn’t enable caching, then admin can not configure the module. As a result, the shop will not be connected with Redis.

So, This was all about Prestashop Redis Cache Module. Moreover, this document will help you in checking the functionality of the module in a better way.

Also, do let us know about your views in the comments.

For any kind of technical assistance or query, please raise a ticket or send us a mail at support@webkul.com

Also, please explore our Prestashop development services and vast range of quality Prestashop addons.