189
votes
Accepted
Explanation of UI Component Grid in Magento 2
[EDIT 3 Oct 2018]
Update for links to devdocs:
2.0 - https://devdocs.magento.com/guides/v2.0/ui-components/ui-listing-grid.html and https://devdocs.magento.com/guides/v2.0/ui-components/ui-secondary....
- 5,758
98
votes
Accepted
Magento 2 Allowed Memory exhausted error when compile code
A quick solution for memory limit in Magento 2 command is directly adding memory limit inside command.
For Compilation command,
php -dmemory_limit=5G bin/magento setup:di:compile
For Deployment
...
- 41k
56
votes
Accepted
Magento-2:Class Magento\Framework\App\Http\Interceptor does not exist
The Interceptor file is deleted. Need to recreate Interceptor
Run di:compile command
php bin/magento setup:di:compile
- 3,198
38
votes
How to override an admin theme template?
You can declare a new primary theme for your admin area by customizing config (e.g. app/etc/local.xml) with the following:
<config>
<stores>
<admin>
<...
- 16.6k
38
votes
Accepted
Magento 2 - What is the correct way to change default Order Id?
Open your PHP Admin database (I tested on php 7)
Find & click on the table called: sequence_order_1
(it is located in database itself not in the information_schema )
Click on "Operations" tab &...
- 963
38
votes
Accepted
Magento 2 : Add Product Attribute Programmatically
Overview of Adding Product Attribute Programmatically
Step 1: Create file InstallData.php
Step 2: Define the install() method
Step 3: Create custom attribute
Step 1: Create file InstallData.php
...
- 1,644
34
votes
Accepted
SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry - Magento 2
Entry key '4639-168-1-283-4639', where 4639 is product_id, 168 is attribute_id, 1 is store_id, 283 is attribute_value_id for which is getting this issue.
So if suppose attribute 168 type is varchar, ...
- 1,113
32
votes
Magento 2 - What is the correct way to change default Order Id?
Go to your database from phpmyadmin,
Here _1 is used for store id after tablename.
Default Frontend store id is 1. if you have multi store then you have to set query for each store with table name ...
- 41k
30
votes
Accepted
Is Magento ready for PHP 7?
Magento announced officially on January 20th, 2016, that CE and EE 2.0.1 officially support PHP 7.0.2.
Magento Enterprise Edition and Community Edition 2.0.1 are now
available and feature ...
- 17.2k
30
votes
Accepted
Magento 2: Adding Arbitrary HTML to the <head> of Every Page?
not 100% sure about this, but I think you can add code to the head using this:
<body>
<referenceBlock name="head.additional">
<block class="Pulsestorm\Test\Block\Head" name=...
- 195k
30
votes
Magento 2: How to show address field in registration form?
Example display address fields using customer_account_create.xml:
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/...
- 301
28
votes
Accepted
programmatically adding product to cart returns empty price
There are many things wrong here and I feel compelled to do a code review with you. See the end for the correct approach.
Code review:
This line is loading a product with an undefined $sku var:
$...
- 35.6k
27
votes
Is Magento ready for PHP 7?
If you are using the most recent version, M CE 1.9.2.2, there is an extension that will bring it to full PHP 7 compatibility: https://github.com/Inchoo/Inchoo_PHP7. (Disclaimer: I'm the author, though ...
25
votes
Accepted
Magento 2: Programmatically Add a Value to `core_config_data`
There is the same saveConfig method: https://github.com/magento/magento2/blob/2.0.0/app/code/Magento/Config/Model/ResourceModel/Config.php#L26-L61
A usage example from the core: https://github.com/...
- 4,750
25
votes
Accepted
Receive Post Parameters In Magento 2 Controller
To get Post data in controller you need to use following in your execute function.
public function execute()
{
$post = $this->getRequest()->getPostValue();
echo "<pre>";
...
- 1,164
24
votes
Magento 2: Programmatically Add a Value to `core_config_data`
I wouldn't use a model or a resource model, but \Magento\Framework\App\Config\Storage\WriterInterface or \Magento\Framework\App\Config\ConfigResource\ConfigInterface (the first delegating to the ...
- 1,666
24
votes
Accepted
Setting up an Admin Route in Magento 2
The difference is in urls. Url has following structure:
<areaFrontName>/<moduleFrontName>/<actionPath>/<actionName>
Route "Adminhtml" has moduleFrontName "admin", same as ...
- 4,446
22
votes
Is Magento ready for PHP 7?
No idea about PHP7, but I would guess most of the stuff is still valid in PHP7, you can find more information in the blog of Matthias Geniar
ext/mysql: despite it being a very old MySQL ...
- 35.2k
21
votes
Accepted
Creating Integration Tests for Magento 2 Modules
This works for us but we haven't yet looked into moving them to a separate location to address 6.)
1.) Place your integration tests under dev/tests/integration/testsuite/Vendor
2.) copy dev/tests/...
- 11.3k
21
votes
Accepted
Magento 2: Run `setup:di:compile` **only** a Specific Module?
Short Answer: No. That is not possible with tools shipped with Magento now.
Explanation:
We have to distinguish code generation and compilation. Compiler does both. For both operations we need to ...
- 4,446
20
votes
Magento Redirects to Old Website regardless of what changes are made!
Or the oldest one in the book, your file/directory permissions are out of whack causing Magento to write to the system /tmp folder which means config information is cached till you reboot the whole ...
- 7,573
20
votes
Magento 2: Sending Email Programmatically
Magento 2 TransportBuilder uses a email templates to compose email's body. The simplest way I found to send plain text - use Zend_Mail (that is used by Magento 2 itself):
$email = new \Zend_Mail();
$...
- 1,949
20
votes
Magento 2 - Get Subcategories of Specific Parent Category
Check below example to list of all subcategories of specific parent category using parent category ID using the repository.
First of all add CategoryRepository in construct:
<?php
protected $...
- 5,244
20
votes
Accepted
Admin Product View Page Error on Sort Magento 2.3
SKU should be empty or string. In your case, it is null or not a string.
Run follwoing query will resolve your issue if it is null sku related error:
UPDATE catalog_product_entity SET sku='' WHERE ...
- 34.3k
20
votes
Error when mass updating Attributes
A flaw in the migration script left the setting empty for:
Stores -> Settings: Configuration -> Catalog -> Inventory -> Product Stock Options: Minimum Qty Allowed in Shopping Cart
Change ...
- 321
19
votes
Magento 2 - What is the correct way to change default Order Id?
What was previously in eav_entity_store is now covered in sales_sequence_profile and sales_sequence_meta. The table sequence_order_1 gets populated when orders are placed.
- 11.3k
18
votes
Accepted
Magento 2: Product Repositories, Filter Groups, and `AND`
Actual annotation of \Magento\Framework\Api\Search\FilterGroup says (class phpDoc):
Groups two or more filters together using a logical OR
It means that you need to create two groups with one ...
- 13.4k
18
votes
Accepted
Magento2 Creating a new directory
you can use \Magento\Framework\Filesystem\Io\File.
Either inject an instance of it in your class or instantiate it manually using new.
Then do this:
/** @var \Magento\Framework\Filesystem\Io\File $io ...
- 195k
18
votes
Magento 2 - Get Subcategories of Specific Parent Category
You need to add a dependency to your class \Magento\Catalog\Model\ResourceModel\Category\CollectionFactory.
Like this:
protected $categoryCollectionFactory;
public function __construct(
...
\...
- 195k
17
votes
Accepted
Why do I get "SOAP-ERROR: Parsing WSDL: Couldn't find <definitions>"?
Apparently I fell prey to a common Magento pitfall, so I'm posting the answer in case anyone else is searching this particular error. Basically, the error was coming from the Magento installation I ...
Only top scored, non community-wiki answers of a minimum length are eligible