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I have created a system.xml file with a multiselect type field somewhere in my admin system config. I just want to know on how to retrieve the selected values in that field?

2
  • I found the solution by using Mage::getStoreConfig(section_group_field path) Oct 24, 2017 at 9:41
  • bit.ly/2w7H6y2 using link got all the multiselect attribute. Aug 23, 2018 at 17:41

2 Answers 2

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Define <source_model> in system.xml:

    <field id="Moduleposition" translate="Module" type="multiselect" sortOrder="30" showInDefault="1" showInWebsite="1" showInStore="1">
        <label>Module Position</label>
        <source_model>Vendor\Module\Model\Config\Source\ConfigOption</source_model>
    </field>

Now create ConfigOption.php:

<?php

namespace Vendor\Module\Model\Config\Source;

use Magento\Framework\Data\OptionSourceInterface;


class ConfigOption implements OptionSourceInterface
{
    public function toOptionArray()
    {
        return [
            ['value' => '1', 'label' => __('Top Right')],
            ['value' => '2', 'label' => __('Top Left')],
            ['value' => '3', 'label' => __('Middle Right')],
            ['value' => '4', 'label' => __('Middle')],
            ['value' => '5', 'label' => __('Middle Left')],
            ['value' => '6', 'label' => __('Bottom Right')],
            ['value' => '7', 'label' => __('Bottom Left')]
        ];
    }
}

You will get multiselect value in string with value1,value2,value3 format.

You can use explode() function to convert it into array like this

    $value = explode(',', $multiSelectValue);

For more info about how you can get system.xml config value refer this question

Magento2 -How to get data from system configuration

0
0

Just like all the other values from your system.xml. The result will be a string with comma separated values. So you have explode the string and have an array for better handling like

$miltiselectValues = explode(',', $configValue);
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