How to Get Store Config Value in Magento 2

 Steps to Get Store Config Value in Magento 2:

Step 1: Create the system.xml file inside the etc folder


Path – Vendor/Extension/etc/adminhtml/system.xml     


Then add the code as follows


<?xml version="1.0"?>

<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Config:etc/system_file.xsd">

    <system>

        <section id="custom" translate="label" type="text" sortOrder="310" showInDefault="1" showInWebsite="1" showInStore="1">

            <label>Custom Settings</label>

            <group id="custom_group_id" translate="label" type="text" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1">

                <label>Main label</label>

                <field id="custom_field_id" translate="label" type="text" sortOrder="30" showInDefault="1" showInWebsite="1"  showInStore="1">

                    <label>Field Name</label>

                </field>

            </group>

        </section>

    </system>

</config>

Step 2: Now create Data.php file inside the Helper folder


Path – Vendor/Extension/Helper/Data.php    


Then add the below code snippet


<?php

namespace Vendor\Extension\Helper;

use Magento\Store\Model\ScopeInterface;

use Magento\Framework\App\Helper\AbstractHelper;

 

class Data extends AbstractHelper

{

   const XML_CONFIG_PATH = 'custom/custom_group_id/custom_field_id';

   

   public function getConfig()

    {

        $configValue = $this->scopeConfig->getValue(self::XML_CONFIG_PATH,ScopeInterface::SCOPE_STORE);

        return $configValue;

    }

}

Note – You can inject the helper class anywhere and use the getConfig() function to get the config value.

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