Remove unnecessary classes

src/Core/PConfig/Repository/PConfig.php

@@ -22,7 +22,7 @@
 namespace Friendica\Core\PConfig\Repository;
 
 use Friendica\App\Mode;
-use Friendica\Core\Config\Util\ValueConversion;
+use Friendica\Core\PConfig\Util\ValueConversion;
 use Friendica\Core\PConfig\Exception\PConfigPersistenceException;
 use Friendica\Database\Database;
 

src/Core/PConfig/Util/ValueConversion.php

@@ -0,0 +1,81 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2023, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Core\PConfig\Util;
+
+/**
+ * Util class to help to convert from/to (p)config values
+ */
+class ValueConversion
+{
+	/**
+	 * Formats a DB value to a config value
+	 * - null   = The db-value isn't set
+	 * - bool   = The db-value is either '0' or '1'
+	 * - array  = The db-value is a serialized array
+	 * - string = The db-value is a string
+	 *
+	 * Keep in mind that there aren't any numeric/integer config values in the database
+	 *
+	 * @param string|null $value
+	 *
+	 * @return null|array|string
+	 */
+	public static function toConfigValue(?string $value)
+	{
+		if (!isset($value)) {
+			return null;
+		}
+
+		switch (true) {
+			// manage array value
+			case preg_match("|^a:[0-9]+:{.*}$|s", $value):
+				return unserialize($value);
+
+			default:
+				return $value;
+		}
+	}
+
+	/**
+	 * Formats a config value to a DB value (string)
+	 *
+	 * @param mixed $value
+	 *
+	 * @return string
+	 */
+	public static function toDbValue($value): string
+	{
+		// if not set, save an empty string
+		if (!isset($value)) {
+			return '';
+		}
+
+		switch (true) {
+			// manage arrays
+			case is_array($value):
+				return serialize($value);
+
+			default:
+				return (string)$value;
+		}
+	}
+}