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libraries/fof30/Model/Mixin/ImplodedArrays.php

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+<?php
+/**
+ * @package   FOF
+ * @copyright Copyright (c)2010-2021 Nicholas K. Dionysopoulos / Akeeba Ltd
+ * @license   GNU General Public License version 2, or later
+ */
+
+namespace FOF30\Model\Mixin;
+
+defined('_JEXEC') || die;
+
+/**
+ * Trait for dealing with imploded arrays, stored as comma-separated values
+ */
+trait ImplodedArrays
+{
+	/**
+	 * Converts the loaded comma-separated list into an array
+	 *
+	 * @param   string  $value  The comma-separated list
+	 *
+	 * @return  array  The exploded array
+	 */
+	protected function getAttributeForImplodedArray($value)
+	{
+		if (is_array($value))
+		{
+			return $value;
+		}
+
+		if (empty($value))
+		{
+			return [];
+		}
+
+		$value = explode(',', $value);
+		$value = array_map('trim', $value);
+
+		return $value;
+	}
+
+	/**
+	 * Converts an array of values into a comma separated list
+	 *
+	 * @param   array  $value  The array of values
+	 *
+	 * @return  string  The imploded comma-separated list
+	 */
+	protected function setAttributeForImplodedArray($value)
+	{
+		if (!is_array($value))
+		{
+			return $value;
+		}
+
+		$value = array_map('trim', $value);
+		$value = implode(',', $value);
+
+		return $value;
+	}
+}