ltsecurityinc安防产品在线商城代码

app/code/Plumrocket/Base/Model/OptionSource/AbstractSource.php

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+<?php
+/**
+ * @package     Plumrocket_Base
+ * @copyright   Copyright (c) 2020 Plumrocket Inc. (https://plumrocket.com)
+ * @license     https://plumrocket.com/license/  End-user License Agreement
+ */
+
+declare(strict_types=1);
+
+namespace Plumrocket\Base\Model\OptionSource;
+
+use Magento\Framework\Data\OptionSourceInterface;
+
+/**
+ * Allow creating short system config sources
+ *
+ * @since 2.4.1
+ */
+abstract class AbstractSource implements OptionSourceInterface
+{
+    /**
+     * Convert ['<value>' => '<label>'] to ['value' => '<value>', 'label' => '<label>']
+     *
+     * @return array
+     */
+    public function toOptionArray(): array
+    {
+        $result = [];
+        foreach ($this->toOptionHash() as $key => $value) {
+            $result[] = ['value' => $key, 'label' => $value];
+        }
+        return $result;
+    }
+
+    /**
+     * Return array of options
+     *
+     * @return array Format: array(array('<value>' => '<label>'), ...)
+     */
+    abstract public function toOptionHash(): array;
+}