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plugins/fields/checkboxes/src/Extension/Checkboxes.php

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+<?php
+
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Fields.checkboxes
+ *
+ * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Plugin\Fields\Checkboxes\Extension;
+
+use Joomla\Component\Fields\Administrator\Plugin\FieldsListPlugin;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Fields Checkboxes Plugin
+ *
+ * @since  3.7.0
+ */
+final class Checkboxes extends FieldsListPlugin
+{
+    /**
+     * Before prepares the field value.
+     *
+     * @param   string     $context  The context.
+     * @param   \stdclass  $item     The item.
+     * @param   \stdclass  $field    The field.
+     *
+     * @return  void
+     *
+     * @since   3.7.0
+     */
+    public function onCustomFieldsBeforePrepareField($context, $item, $field)
+    {
+        if (!$this->getApplication()->isClient('api')) {
+            return;
+        }
+
+        if (!$this->isTypeSupported($field->type)) {
+            return;
+        }
+
+        $field->apivalue = [];
+
+        $options = $this->getOptionsFromField($field);
+
+        if (empty($field->value)) {
+            return;
+        }
+
+        if (\is_array($field->value)) {
+            foreach ($field->value as $key => $value) {
+                $field->apivalue[$value] = $options[$value];
+            }
+        } else {
+            $field->apivalue[$field->value] = $options[$field->value];
+        }
+    }
+}