empty admin folder page for edit base page creation tests

info is already used for write back to front. So we use notice for
non error level messages into the log file

4dev/tests/Logging/CoreLibsLoggingErrorMessagesTest.php

@@ -44,6 +44,11 @@ final class CoreLibsLoggingErrorMessagesTest extends TestCase
 				'str' => 'INFO',
 				'expected' => 'info',
 			],
+			'notice' => [
+				'level' => 'notice',
+				'str' => 'NOTICE',
+				'expected' => 'notice',
+			],
 			'warn' => [
 				'level' => 'warn',
 				'str' => 'WARN',
@@ -238,6 +243,22 @@ final class CoreLibsLoggingErrorMessagesTest extends TestCase
 				'log_error' => true,
 				'expected' => '<ERROR> OTHER ERROR MESSAGE',
 			],
+			'notice' => [
+				'id' => '100',
+				'level' => 'notice',
+				'str' => 'NOTICE MESSAGE',
+				'message' => null,
+				'log_error' => null,
+				'expected' => '<NOTICE> NOTICE MESSAGE',
+			],
+			'notice, message' => [
+				'id' => '100',
+				'level' => 'notice',
+				'str' => 'NOTICE MESSAGE',
+				'message' => 'OTHER NOTICE MESSAGE',
+				'log_error' => null,
+				'expected' => '<NOTICE> OTHER NOTICE MESSAGE',
+			],
 			'crash' => [
 				'id' => '300',
 				'level' => 'crash',

www/admin/edit_base_page_test.php

@@ -0,0 +1,6 @@
+<?php
+
+// empty file for add and remove test
+
+// __END__
+

www/lib/CoreLibs/DB/Extended/ArrayIO.php

@@ -198,7 +198,7 @@ class ArrayIO extends \CoreLibs\DB\IO
 	public function dbCheckPkSet(): bool
 	{
 		// if pk_id is set, overrule ...
-		if ($this->pk_id) {
+		if (!empty($this->pk_id)) {
 			$this->table_array[$this->pk_name]['value'] = $this->pk_id;
 		}
 		// if not set ... produce error

www/lib/CoreLibs/DB/IO.php

@@ -3232,7 +3232,7 @@ class IO
 	 *
 	 * @param  array<mixed> $write_array     list of elements to write
 	 * @param  array<mixed> $not_write_array list of elements not to write
-	 * @param  int          $primary_key     id key to decide if we write insert or update
+	 * @param  int|null     $primary_key     id key to decide if we write insert or update
 	 * @param  string       $table           name for the target table
 	 * @param  array<mixed> $data            data array to override _POST data
 	 * @return int|false                     primary key
@@ -3240,7 +3240,7 @@ class IO
 	public function dbWriteData(
 		array $write_array,
 		array $not_write_array,
-		int $primary_key,
+		?int $primary_key,
 		string $table,
 		array $data = []
 	): int|false {
@@ -3260,19 +3260,19 @@ class IO
 	 * PARAM INFO: $primary key
 	 * this can be a plain string/int and will be internal transformed into the array form
 	 * or it takes the array form of array [row => column, value => pk value]
-	 * @param  array<mixed>            $write_array     list of elements to write
-	 * @param  int|string|array<mixed> $primary_key     primary key string or array set
-	 * @param  string                  $table           name for the target table
-	 * @param  array<mixed>            $not_write_array list of elements not to write (optional)
-	 * @param  array<mixed>            $not_write_update_array list of elements not
-	 *                                                         to write during update (optional)
-	 * @param  array<mixed>            $data            optional array with data
-	 *                                                  if not _POST vars are used
-	 * @return int|false                                primary key
+	 * @param  array<mixed>                 $write_array     list of elements to write
+	 * @param  null|int|string|array<mixed> $primary_key     primary key string or array set
+	 * @param  string                       $table           name for the target table
+	 * @param  array<mixed>                 $not_write_array list of elements not to write (optional)
+	 * @param  array<mixed>                 $not_write_update_array list of elements not
+	 *                                                       to write during update (optional)
+	 * @param  array<mixed>                 $data            optional array with data
+	 *                                                       if not _POST vars are used
+	 * @return int|false                                     primary key
 	 */
 	public function dbWriteDataExt(
 		array $write_array,
-		int|string|array $primary_key,
+		null|int|string|array $primary_key,
 		string $table,
 		array $not_write_array = [],
 		array $not_write_update_array = [],

www/lib/CoreLibs/Logging/ErrorMessage.php

@@ -42,6 +42,7 @@ class ErrorMessage
 	 * error_id: internal Error ID (should be unique)
 	 * level: error level, can only be ok, info, warn, error, abort, crash
 	 *        ok and info are positive response: success
+	 *        notice: a debug message for information only
 	 *        warn: success, but there might be some things that are not 100% ok
 	 *        error: input error or error in executing request
 	 *        abort: an internal error happened as mandatory information that normally is
@@ -98,6 +99,12 @@ class ErrorMessage
 		];
 		// write to log for abort/crash
 		switch ($level) {
+			case 'notice':
+				$this->log->notice($message ?? $str, array_merge([
+					'id' => $error_id,
+					'level' => $original_level,
+				], $context));
+				break;
 			case 'error':
 				if ($log_error) {
 					$this->log->error($message ?? $str, array_merge([

www/lib/CoreLibs/Logging/Logger/MessageLevel.php

@@ -15,6 +15,7 @@ enum MessageLevel: int
 {
 	case ok = 100;
 	case info = 200;
+	case notice = 250;
 	case warn = 300;
 	case error = 400;
 	case abort = 500;
@@ -30,6 +31,7 @@ enum MessageLevel: int
 		return match (strtolower($name)) {
 			'ok' => self::ok,
 			'info' => self::info,
+			'notice' => self::notice,
 			'warn', 'warning' => self::warn,
 			'error' => self::error,
 			'abort' => self::abort,