fix typo and typehint

setup/index.php

@@ -134,5 +134,3 @@ match ($iStep) {
     'doinstall' => checkAndInclude('steps/setup/doinstall.php'),
     default => checkAndInclude('steps/languagechooser.php'),
 };
-
-?>

setup/lib/functions.phpinfo.php

@@ -41,52 +41,52 @@ define("E_EXTENSION_CANTCHECK", 3);
  * canPHPurlfopen: Checks if PHP is able to use
  * allow_url_fopen.
  */
-function canPHPurlfopen(): bool|string
+function canPHPurlfopen(): bool
 {
     return ini_get("allow_url_fopen");
 }
 
-function getPHPDisplayErrorSetting(): bool|string
+function getPHPDisplayErrorSetting(): bool
 {
     return ini_get("display_errors");
 }
 
-function getPHPFileUploadSetting(): bool|string
+function getPHPFileUploadSetting(): bool
 {
     return ini_get("file_uploads");
 }
 
-function getPHPGPCOrder(): bool|string
+function getPHPGPCOrder(): bool
 {
     return ini_get("gpc_order");
 }
 
-function getPHPMagicQuotesRuntime(): bool|string
+function getPHPMagicQuotesRuntime(): bool
 {
     return ini_get("magic_quotes_runtime");
 }
 
-function getPHPMagicQuotesSybase(): bool|string
+function getPHPMagicQuotesSybase(): bool
 {
     return ini_get("magic_quotes_sybase");
 }
 
-function getPHPMaxExecutionTime(): bool|string
+function getPHPMaxExecutionTime(): bool
 {
     return ini_get("max_execution_time");
 }
 
-function getPHPOpenBasedirSetting(): bool|string
+function getPHPOpenBasedirSetting(): bool
 {
     return ini_get("open_basedir");
 }
 
-function checkPHPSQLSafeMode(): bool|string
+function checkPHPSQLSafeMode(): bool
 {
     return ini_get("sql.safe_mode");
 }
 
-function return_bytes($val): float|int|string
+function return_bytes($val): float|int
 {
     if (strlen($val) == 0) {
         return 0;
@@ -100,7 +100,8 @@ function return_bytes($val): float|int|string
     };
 }
 
-function isPHPExtensionLoaded($extension) {
+function isPHPExtensionLoaded($extension)
+{
     $value = extension_loaded($extension);
 
     if ($value === true) {