@@ -434,7 +434,7 @@ public function deleteByIdList(string $idList): string
434434
435435 Maintenance::adjustAutoIncrement ('words ' , 'WoID ' );
436436
437- return $ message ;
437+ return ( string ) $ message ;
438438 }
439439
440440 /**
@@ -453,15 +453,15 @@ public function updateStatusByIdList(string $idList, int $newStatus, bool $relat
453453
454454 if ($ relative && $ newStatus > 0 ) {
455455 // Status +1
456- return Connection::execute (
456+ return ( string ) Connection::execute (
457457 'update words
458458 set WoStatus=WoStatus+1, WoStatusChanged = NOW(), ' . $ scoreUpdate . '
459459 where WoStatus in (1,2,3,4) and WoID in ' . $ idList ,
460460 "Updated Status (+1) "
461461 );
462462 } elseif ($ relative && $ newStatus < 0 ) {
463463 // Status -1
464- return Connection::execute (
464+ return ( string ) Connection::execute (
465465 'update words
466466 set WoStatus=WoStatus-1, WoStatusChanged = NOW(), ' . $ scoreUpdate . '
467467 where WoStatus in (2,3,4,5) and WoID in ' . $ idList ,
@@ -470,7 +470,7 @@ public function updateStatusByIdList(string $idList, int $newStatus, bool $relat
470470 }
471471
472472 // Absolute status
473- return Connection::execute (
473+ return ( string ) Connection::execute (
474474 'update words
475475 set WoStatus= ' . $ newStatus . ', WoStatusChanged = NOW(), ' . $ scoreUpdate . '
476476 where WoID in ' . $ idList ,
@@ -487,7 +487,7 @@ public function updateStatusByIdList(string $idList, int $newStatus, bool $relat
487487 */
488488 public function updateStatusDateByIdList (string $ idList ): string
489489 {
490- return Connection::execute (
490+ return ( string ) Connection::execute (
491491 'update words
492492 set WoStatusChanged = NOW(), ' . WordStatusService::makeScoreRandomInsertUpdate ('u ' ) . '
493493 where WoID in ' . $ idList ,
@@ -504,7 +504,7 @@ public function updateStatusDateByIdList(string $idList): string
504504 */
505505 public function deleteSentencesByIdList (string $ idList ): string
506506 {
507- return Connection::execute (
507+ return ( string ) Connection::execute (
508508 'update words
509509 set WoSentence = NULL
510510 where WoID in ' . $ idList ,
@@ -521,7 +521,7 @@ public function deleteSentencesByIdList(string $idList): string
521521 */
522522 public function toLowercaseByIdList (string $ idList ): string
523523 {
524- return Connection::execute (
524+ return ( string ) Connection::execute (
525525 'update words
526526 set WoText = WoTextLC
527527 where WoID in ' . $ idList ,
@@ -538,7 +538,7 @@ public function toLowercaseByIdList(string $idList): string
538538 */
539539 public function capitalizeByIdList (string $ idList ): string
540540 {
541- return Connection::execute (
541+ return ( string ) Connection::execute (
542542 'update words
543543 set WoText = CONCAT(
544544 UPPER(LEFT(WoTextLC,1)),SUBSTRING(WoTextLC,2)
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