AbstractException.php: fixed problem with empty $match in sql syntax highlighting.

extension/qfq/qfq/exceptions/AbstractException.php

@@ -136,16 +136,20 @@ class AbstractException extends \Exception {
                 $arrMerged = OnArray::htmlentitiesOnArray(array_merge($arrMsg, $arrDebugShow));
 
                 if (!empty($os = $arrMerged[ERROR_MESSAGE_OS] ?? '')) {
+//                    $arrMerged[EXCEPTION_SQL_FINAL] = self::sqlHighlightError($os);
+
                     $beforeMatch = htmlentities("the right syntax to use near '", ENT_QUOTES);
                     $afterMatch = htmlentities("' at line [0-9]*$", ENT_QUOTES);
                     if (preg_match("/mysqli: 1064.*$beforeMatch.*$afterMatch/", $os)) {
                         $match = explode("$beforeMatch", $os, 2)[1];
                         $match = preg_split("/$afterMatch/", $match)[0];
 
-                        $splitSql = explode($match, $arrMerged[EXCEPTION_SQL_FINAL]);
-                        $match = Support::wrapTag('<span class="qfq-wavy-underline">', $match);
-                        $highlightedSql = implode($match, $splitSql);
-                        $arrMerged[EXCEPTION_SQL_FINAL] = $highlightedSql;
+                        if(!empty($match )) {
+                            $splitSql = explode($match, $arrMerged[EXCEPTION_SQL_FINAL]);
+                            $match = Support::wrapTag('<span class="qfq-wavy-underline">', $match);
+                            $highlightedSql = implode($match, $splitSql);
+                            $arrMerged[EXCEPTION_SQL_FINAL] = $highlightedSql;
+                        }
                     }
                 }