Questions tagged [singleton]
The singleton tag has no usage guidance.
32
questions
0
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2
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18
views
Why use custom helper folder in magento?
i know so much about it
It is a singleton
It is use for injecting class and method.
So please explain me more detail.
Advance thank you for answer
- 77
0
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0
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44
views
when i open my website showing this error .Mage registry key "_singleton/log/visitor" already exists
I am a beginner in magento development . please help me
- 1
1
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1
answer
16
views
Code optimization, adaptation to a large number of conditions
I need to make a condition, if the server code has a certain value, then it will set the appropriate currency.
I did this via an if else condition. But if there are many 5+ conditions, it will look ...
- 148
0
votes
1
answer
396
views
Helpers are singleton classes?
Given this code
<?php
class Vendor_Module_Helper_Data extends Mage_Core_Helper_Abstract
{
protected $_currentCustomer = null;
protected $_settingsHelper = null;
public function ...
- 3,217
1
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0
answers
374
views
Magento 1 EE 1.14.3.10 - Mage::getSingleton('core/resource')->getConnection('core_read') is returning null sometimes
We have Magento 1 EE 1.14.3.10. In the production, I tried to deploy some of the updates, took a code pull from GIT and cleared the cache. Since then it started throwing this error. No error if Amasty ...
1
vote
1
answer
1k
views
Error: Mage registry key "_singleton/mage_gextorshop/observer" already exists
(Sorry if my english is bad, but is not my language)
My Magento version is 1.9.3.8
I tried to solved this error whit this in SSH:
php -f shell/compiler.php disable
php -f shell/compiler.php clear
...
- 145
1
vote
5
answers
2k
views
When to use Mage::getSingleton() in my custom module/Ext
theoretically i know about Mage::getSingleton() & differences b/w
Mage::getSingleton() and Mage::getModel()
but my question is that in my custom
module when to use Mage::getSingleton(){Normally ...
- 825
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2
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349
views
500 PHP error on Mage:getSingleton('admin/session') after separating admin and frontend servers
Working with Magento CE v1.9.2.3 with Redis
Doing development for a website that makes use of a separate frontend and admin server in their production environment. I'm attempting to deploy TaxJar and ...
- 1,459
1
vote
1
answer
3k
views
magento 2 version of getSingleton
In Magento 2 we are using dependency injection in replace of old style getModel, getHelper etc
I have a particular class that i find i am injecting in a lot of places which holds some general ...
- 5,621
1
vote
3
answers
2k
views
Convert getSingleton("core/resource")->getConnection($type) from Magento 1 to Magento 2
I need to convert some singleton method calls from Magento 1 to Magento 2. Specifically Mage::getSingleton('core/resource')->getConnection($type);
How can I do this in M2? I know that I should ...
0
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1
answer
34
views
How to instantiate a custom session
I'm working on a module with a custom namespace session. I extended the Session class and created a new object, but every time I use the new object it overwrites the parent one while I need 2 ...
- 923
0
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2
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77
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Magento 2 - how to get models, config(s), and order info similar to Magento 1 style (Mage::getBaseUrl, Mage::getModel, etc...)) [duplicate]
I am a complete Magento 2 noob. I know a lot of things changed, one of which is how to get the Singleton Mage:: instance and its methods. I know it is moved to vendor/ directory from Mage/Code/Core, ...
0
votes
1
answer
222
views
Difference between Mage::getSingleton('core/layout') and $this->getLayout()
I've been reading some tutorials and some use:
$this->getLayout()
To get the current layout, while others use:
Mage::getSingleton('core/layout');
I was wondering if there's any difference ...
- 103
4
votes
2
answers
4k
views
What's the difference between getLastOrderId() and getLastRealOrderId()?
Does anyone have a quick and dirty explanation of the differences?
Mage::getSingleton('checkout/session')->getLastOrderId()
Mage::getSingleton('checkout/session')->getLastRealOrderId()
I ...
- 40
0
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1
answer
889
views
Mage::getSingleton()
I am trying to learn Magento Admin Modue Development. In this regard I am following this tutorial. Here I got the below line.
$statuses = Mage::getSingleton('web/status')->getOptionArray();
Now ...
- 744
-1
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1
answer
7k
views
What is the difference between Mage::getSingleton() and Mage::getModel() in Magento [duplicate]
Mage::getSingleton() always finds for an existing object if not then create that a new object but Mage::getModel() always creates a new object.
- 39
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0
answers
93
views
How to instantiate my new class and methods
I'm looking to trigger anything on a /admin/customer/edit just to know it's working.. an echo or print.. I have this code below.
app/code/community/YourModule/etc/config.xml
<global>
<...
- 40
0
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1
answer
67
views
Cannot access the Admin section to perform edits on webpage
Each time I try to access the Admin control panel of my site, I get an error message saying
There has been an error processing your request
Mage registry key "_singleton/...
4
votes
2
answers
504
views
Helper's scope (when getting via Mage::helper())
I'm trying to understand couple of things about helper classes scope and lifetime. I think I got it but it's critical for me to be sure.
So can you please tell me if I'm right about the following ...
- 587
1
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0
answers
847
views
Mage registry key "_singleton/belvgall/observer" already exists [closed]
Mage registry key "_singleton/belvgall/observer" already exists
Trace:
#0 app\Mage.php(223): Mage::throwException('Mage registry k...')
#1 app\Mage.php(477): Mage::register('_singleton/belv...', ...
- 11
0
votes
2
answers
158
views
Pass data from view to block
I'm trying to pass a message from view to layout by using a model.
This does not work when using _redirect();
I know there is a magento core functionality, but I'd like to understand why my custom ...
- 692
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1
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623
views
problem after install of an extension: Mage registry key "_singleton/aw_layerednavigation/observer" already exists [closed]
After intalling this extension, I can not acess to the front-end or admin..
I'm having this error:
Mage registry key "_singleton/aw_layerednavigation/observer" already exists
Trace:
#0 /...
0
votes
2
answers
2k
views
How is getContinueShoppingUrl() called by Mage::getSingleton('checkout/session')?
I'm using Magento 1.9 and am trying to gain a better understanding of the method, getContinueShoppingUrl(), when called by Mage::getSingleton('checkout/session') but can't seem to find the file that ...
- 219
1
vote
1
answer
1k
views
Mage registry key "_singleton/ambase/feed" already exists
One of the extension from Amasty was already installed in my website. I've installed another extension OPC and now I'm getting the error Mage registry key "_singleton/ambase/feed" already exists.
I'...
- 6,896
1
vote
1
answer
364
views
_getsingleton/customer/session registry already exists [closed]
I have used this code in observer function and event i am using is "controller_front_init_before". Problem is due to first line. Please help me to resolve this issue
$customer_session = Mage::...
- 65
5
votes
2
answers
445
views
What is the life span of a helper in Magento 1?
As I understand, helpers are singletons in Magento. I was wondering what the life span of the singleton is in Magento. Is only 1 instantiated for the life of the app (web server process start to ...
- 249
14
votes
5
answers
16k
views
Mage registry key "_singleton/weee/observer" already exists
When I try to add or edit a product I receive the following error:
Mage registry key "_singleton/weee/observer" already exists
Trace:
#0 app/Mage.php(222): Mage::throwException('Mage registry k...')
#...
0
votes
1
answer
341
views
Accessing singleton model properties in another controller
I have a controller from which I am setting a property of my model
$model = Mage::getSingleton('foo/bar');
$model->setData('name', 'somename');
echo $model->getData('name');
This outputs the ...
- 632
0
votes
1
answer
1k
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Getting New Session Id before session expires,checkout/session car is empty even cart has item
I have a local module, which adds product to cart.To add to cart i have some conditional check before adding to cart,and i am using getSingleton('checkout/session')->getQuote() object for getting ...
19
votes
4
answers
17k
views
Understanding Magento Registry
I have been wondering always, where is all the registry data stored in Magento ?
I know that even singleton objects are stored in the registry. And registry is just a static array variable of the ...
- 946
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2
answers
1k
views
Can't share data across modules with Mage::getSingleton
I have used Mage::getSingleton to share data across and within Modules before, but I'm coming across a problem where its not working in this specific scenario.
My module asks questions at checkout ...
- 3,232
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3
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199
views
Query regarding the file Mage.php
I need to understand what the code below actually does? I found this in Mage.php
public static function getSingleton($modelClass='', array $arguments=array())
{
$registryKey = '_singleton/'.$...
- 307