diff --git a/libraries/classes/Plugins/Transformations/Abs/Bool2TextTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/Bool2TextTransformationsPlugin.php
index ab59f6d667..b103545978 100644
--- a/libraries/classes/Plugins/Transformations/Abs/Bool2TextTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/Bool2TextTransformationsPlugin.php
@@ -35,7 +35,7 @@ abstract class Bool2TextTransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         $cfg = $GLOBALS['cfg'];
         $options = $this->getOptions($options, $cfg['DefaultTransformations']['Bool2Text']);
diff --git a/libraries/classes/Plugins/Transformations/Abs/CodeMirrorEditorTransformationPlugin.php b/libraries/classes/Plugins/Transformations/Abs/CodeMirrorEditorTransformationPlugin.php
index 30c65aaa3a..1bfbf3e103 100644
--- a/libraries/classes/Plugins/Transformations/Abs/CodeMirrorEditorTransformationPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/CodeMirrorEditorTransformationPlugin.php
@@ -25,7 +25,7 @@ abstract class CodeMirrorEditorTransformationPlugin extends IOTransformationsPlu
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         return $buffer;
     }
diff --git a/libraries/classes/Plugins/Transformations/Abs/DateFormatTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/DateFormatTransformationsPlugin.php
index 4f02e02a31..0a4d64e3fc 100644
--- a/libraries/classes/Plugins/Transformations/Abs/DateFormatTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/DateFormatTransformationsPlugin.php
@@ -55,9 +55,8 @@ abstract class DateFormatTransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
-        $buffer = (string) $buffer;
         // possibly use a global transform and feed it with special options
         $cfg = $GLOBALS['cfg'];
         $options = $this->getOptions($options, $cfg['DefaultTransformations']['DateFormat']);
diff --git a/libraries/classes/Plugins/Transformations/Abs/DownloadTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/DownloadTransformationsPlugin.php
index cde843167f..eb26627b76 100644
--- a/libraries/classes/Plugins/Transformations/Abs/DownloadTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/DownloadTransformationsPlugin.php
@@ -41,7 +41,7 @@ abstract class DownloadTransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         $GLOBALS['row'] ??= null;
         $GLOBALS['fields_meta'] ??= null;
diff --git a/libraries/classes/Plugins/Transformations/Abs/ExternalTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/ExternalTransformationsPlugin.php
index e66d4294e8..6afa609e4f 100644
--- a/libraries/classes/Plugins/Transformations/Abs/ExternalTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/ExternalTransformationsPlugin.php
@@ -77,7 +77,7 @@ abstract class ExternalTransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         // possibly use a global transform and feed it with special options
 
diff --git a/libraries/classes/Plugins/Transformations/Abs/FormattedTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/FormattedTransformationsPlugin.php
index 61ff258a5d..ad04028820 100644
--- a/libraries/classes/Plugins/Transformations/Abs/FormattedTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/FormattedTransformationsPlugin.php
@@ -37,7 +37,7 @@ abstract class FormattedTransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         return '<iframe srcdoc="'
             . strtr($buffer, '"', '\'')
diff --git a/libraries/classes/Plugins/Transformations/Abs/HexTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/HexTransformationsPlugin.php
index 471b83ee40..c50a7c7686 100644
--- a/libraries/classes/Plugins/Transformations/Abs/HexTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/HexTransformationsPlugin.php
@@ -39,7 +39,7 @@ abstract class HexTransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         // possibly use a global transform and feed it with special options
         $cfg = $GLOBALS['cfg'];
diff --git a/libraries/classes/Plugins/Transformations/Abs/ImageLinkTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/ImageLinkTransformationsPlugin.php
index aca368d4ba..4078c0863e 100644
--- a/libraries/classes/Plugins/Transformations/Abs/ImageLinkTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/ImageLinkTransformationsPlugin.php
@@ -34,7 +34,7 @@ abstract class ImageLinkTransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         // must disable the page loader, see
         // https://wiki.phpmyadmin.net/pma/Page_loader#Bypassing_the_page_loader
diff --git a/libraries/classes/Plugins/Transformations/Abs/ImageUploadTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/ImageUploadTransformationsPlugin.php
index 8ffc8b94f7..7e6da2dfd2 100644
--- a/libraries/classes/Plugins/Transformations/Abs/ImageUploadTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/ImageUploadTransformationsPlugin.php
@@ -39,7 +39,7 @@ abstract class ImageUploadTransformationsPlugin extends IOTransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         return $buffer;
     }
diff --git a/libraries/classes/Plugins/Transformations/Abs/InlineTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/InlineTransformationsPlugin.php
index d3b564d62e..48c480142e 100644
--- a/libraries/classes/Plugins/Transformations/Abs/InlineTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/InlineTransformationsPlugin.php
@@ -38,7 +38,7 @@ abstract class InlineTransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         $cfg = $GLOBALS['cfg'];
         $options = $this->getOptions($options, $cfg['DefaultTransformations']['Inline']);
diff --git a/libraries/classes/Plugins/Transformations/Abs/LongToIPv4TransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/LongToIPv4TransformationsPlugin.php
index f4a7855f07..d4b15000e0 100644
--- a/libraries/classes/Plugins/Transformations/Abs/LongToIPv4TransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/LongToIPv4TransformationsPlugin.php
@@ -37,7 +37,7 @@ abstract class LongToIPv4TransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         return htmlspecialchars(FormatConverter::longToIp($buffer));
     }
diff --git a/libraries/classes/Plugins/Transformations/Abs/PreApPendTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/PreApPendTransformationsPlugin.php
index 9fe47137b3..54724dab6b 100644
--- a/libraries/classes/Plugins/Transformations/Abs/PreApPendTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/PreApPendTransformationsPlugin.php
@@ -37,7 +37,7 @@ abstract class PreApPendTransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         $cfg = $GLOBALS['cfg'];
         $options = $this->getOptions($options, $cfg['DefaultTransformations']['PreApPend']);
diff --git a/libraries/classes/Plugins/Transformations/Abs/RegexValidationTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/RegexValidationTransformationsPlugin.php
index 86f4dcf4fb..c3952f9570 100644
--- a/libraries/classes/Plugins/Transformations/Abs/RegexValidationTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/RegexValidationTransformationsPlugin.php
@@ -40,7 +40,7 @@ abstract class RegexValidationTransformationsPlugin extends IOTransformationsPlu
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         // reset properties of object
         $this->reset();
diff --git a/libraries/classes/Plugins/Transformations/Abs/SQLTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/SQLTransformationsPlugin.php
index fea3393ba4..f6a582bee2 100644
--- a/libraries/classes/Plugins/Transformations/Abs/SQLTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/SQLTransformationsPlugin.php
@@ -33,7 +33,7 @@ abstract class SQLTransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         return Generator::formatSql($buffer);
     }
diff --git a/libraries/classes/Plugins/Transformations/Abs/SubstringTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/SubstringTransformationsPlugin.php
index ee8a026a2c..1d664a7c81 100644
--- a/libraries/classes/Plugins/Transformations/Abs/SubstringTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/SubstringTransformationsPlugin.php
@@ -41,9 +41,8 @@ abstract class SubstringTransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
-        $buffer = (string) $buffer;
         // possibly use a global transform and feed it with special options
 
         // further operations on $buffer using the $options[] array.
diff --git a/libraries/classes/Plugins/Transformations/Abs/TextFileUploadTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/TextFileUploadTransformationsPlugin.php
index 347e95b750..96e9859939 100644
--- a/libraries/classes/Plugins/Transformations/Abs/TextFileUploadTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/TextFileUploadTransformationsPlugin.php
@@ -34,7 +34,7 @@ abstract class TextFileUploadTransformationsPlugin extends IOTransformationsPlug
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         return $buffer;
     }
diff --git a/libraries/classes/Plugins/Transformations/Abs/TextImageLinkTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/TextImageLinkTransformationsPlugin.php
index 9e796851c5..ce136470a6 100644
--- a/libraries/classes/Plugins/Transformations/Abs/TextImageLinkTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/TextImageLinkTransformationsPlugin.php
@@ -39,7 +39,7 @@ abstract class TextImageLinkTransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         $cfg = $GLOBALS['cfg'];
         $options = $this->getOptions($options, $cfg['DefaultTransformations']['TextImageLink']);
diff --git a/libraries/classes/Plugins/Transformations/Abs/TextLinkTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/TextLinkTransformationsPlugin.php
index 56899faa33..e17037db54 100644
--- a/libraries/classes/Plugins/Transformations/Abs/TextLinkTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/TextLinkTransformationsPlugin.php
@@ -38,7 +38,7 @@ abstract class TextLinkTransformationsPlugin extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         $cfg = $GLOBALS['cfg'];
         $options = $this->getOptions($options, $cfg['DefaultTransformations']['TextLink']);
diff --git a/libraries/classes/Plugins/Transformations/Input/Text_Plain_Iptobinary.php b/libraries/classes/Plugins/Transformations/Input/Text_Plain_Iptobinary.php
index c370438ff9..301da7f6c7 100644
--- a/libraries/classes/Plugins/Transformations/Input/Text_Plain_Iptobinary.php
+++ b/libraries/classes/Plugins/Transformations/Input/Text_Plain_Iptobinary.php
@@ -41,7 +41,7 @@ class Text_Plain_Iptobinary extends IOTransformationsPlugin
      *
      * @return string IP address
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         return FormatConverter::ipToBinary($buffer);
     }
diff --git a/libraries/classes/Plugins/Transformations/Input/Text_Plain_Iptolong.php b/libraries/classes/Plugins/Transformations/Input/Text_Plain_Iptolong.php
index 03308880c2..f3d765787d 100644
--- a/libraries/classes/Plugins/Transformations/Input/Text_Plain_Iptolong.php
+++ b/libraries/classes/Plugins/Transformations/Input/Text_Plain_Iptolong.php
@@ -38,7 +38,7 @@ class Text_Plain_Iptolong extends IOTransformationsPlugin
      *
      * @return string IP address
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         return (string) FormatConverter::ipToLong($buffer);
     }
diff --git a/libraries/classes/Plugins/Transformations/Output/Text_Plain_Binarytoip.php b/libraries/classes/Plugins/Transformations/Output/Text_Plain_Binarytoip.php
index e966d43544..de8b26aa25 100644
--- a/libraries/classes/Plugins/Transformations/Output/Text_Plain_Binarytoip.php
+++ b/libraries/classes/Plugins/Transformations/Output/Text_Plain_Binarytoip.php
@@ -40,7 +40,7 @@ class Text_Plain_Binarytoip extends TransformationsPlugin
      *
      * @return string IP address
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         $isBinary = ($meta !== null && $meta->isBinary);
 
diff --git a/libraries/classes/Plugins/Transformations/Output/Text_Plain_Json.php b/libraries/classes/Plugins/Transformations/Output/Text_Plain_Json.php
index 075f6e88d3..41385b1ffa 100644
--- a/libraries/classes/Plugins/Transformations/Output/Text_Plain_Json.php
+++ b/libraries/classes/Plugins/Transformations/Output/Text_Plain_Json.php
@@ -49,7 +49,7 @@ class Text_Plain_Json extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         return '<code class="json"><pre>' . "\n"
         . htmlspecialchars($buffer) . "\n"
diff --git a/libraries/classes/Plugins/Transformations/Output/Text_Plain_Xml.php b/libraries/classes/Plugins/Transformations/Output/Text_Plain_Xml.php
index edd8086284..660686615c 100644
--- a/libraries/classes/Plugins/Transformations/Output/Text_Plain_Xml.php
+++ b/libraries/classes/Plugins/Transformations/Output/Text_Plain_Xml.php
@@ -49,7 +49,7 @@ class Text_Plain_Xml extends TransformationsPlugin
      * @param array              $options transformation options
      * @param FieldMetadata|null $meta    meta information
      */
-    public function applyTransformation($buffer, array $options = [], FieldMetadata|null $meta = null): string
+    public function applyTransformation(string $buffer, array $options = [], FieldMetadata|null $meta = null): string
     {
         return '<code class="xml"><pre>' . "\n"
         . htmlspecialchars($buffer) . "\n"
diff --git a/libraries/classes/Plugins/TransformationsPlugin.php b/libraries/classes/Plugins/TransformationsPlugin.php
index 219da66424..b9fa3dfc47 100644
--- a/libraries/classes/Plugins/TransformationsPlugin.php
+++ b/libraries/classes/Plugins/TransformationsPlugin.php
@@ -35,7 +35,7 @@ abstract class TransformationsPlugin implements TransformationsInterface
      * @return string the transformed text
      */
     abstract public function applyTransformation(
-        $buffer,
+        string $buffer,
         array $options = [],
         FieldMetadata|null $meta = null,
     ): string;
diff --git a/libraries/classes/Utils/FormatConverter.php b/libraries/classes/Utils/FormatConverter.php
index 5f43dd7876..7299eb9f1a 100644
--- a/libraries/classes/Utils/FormatConverter.php
+++ b/libraries/classes/Utils/FormatConverter.php
@@ -77,14 +77,16 @@ class FormatConverter
     /**
      * Transforms a long to an IP
      *
-     * @param mixed $buffer Data to transform
+     * @param string $buffer Data to transform
      */
-    public static function longToIp(mixed $buffer): string
+    public static function longToIp(string $buffer): string
     {
         if (! Util::isInteger($buffer) || $buffer < 0 || $buffer > 4294967295) {
             return $buffer;
         }
 
-        return (string) long2ip((int) $buffer);
+        $bufferAsFloat = (float) $buffer;
+
+        return (string) long2ip((int) $bufferAsFloat);
     }
 }
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 797261c5d4..52240997d9 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -6780,11 +6780,6 @@ parameters:
 			count: 1
 			path: libraries/classes/Plugins/Transformations/Abs/DateFormatTransformationsPlugin.php
 
-		-
-			message: "#^Casting to string something that's already string\\.$#"
-			count: 1
-			path: libraries/classes/Plugins/Transformations/Abs/DateFormatTransformationsPlugin.php
-
 		-
 			message: "#^Method PhpMyAdmin\\\\Plugins\\\\Transformations\\\\Abs\\\\DateFormatTransformationsPlugin\\:\\:applyTransformation\\(\\) has parameter \\$options with no value type specified in iterable type array\\.$#"
 			count: 1
@@ -6900,11 +6895,6 @@ parameters:
 			count: 2
 			path: libraries/classes/Plugins/Transformations/Abs/SubstringTransformationsPlugin.php
 
-		-
-			message: "#^Casting to string something that's already string\\.$#"
-			count: 1
-			path: libraries/classes/Plugins/Transformations/Abs/SubstringTransformationsPlugin.php
-
 		-
 			message: "#^Method PhpMyAdmin\\\\Plugins\\\\Transformations\\\\Abs\\\\SubstringTransformationsPlugin\\:\\:applyTransformation\\(\\) has parameter \\$options with no value type specified in iterable type array\\.$#"
 			count: 1
@@ -8895,11 +8885,6 @@ parameters:
 			count: 1
 			path: libraries/classes/Util.php
 
-		-
-			message: "#^Cannot cast mixed to int\\.$#"
-			count: 1
-			path: libraries/classes/Utils/FormatConverter.php
-
 		-
 			message: "#^Method PhpMyAdmin\\\\Utils\\\\FormatConverter\\:\\:binaryToIp\\(\\) should return string\\|false but returns mixed\\.$#"
 			count: 2
@@ -8910,11 +8895,6 @@ parameters:
 			count: 1
 			path: libraries/classes/Utils/FormatConverter.php
 
-		-
-			message: "#^Method PhpMyAdmin\\\\Utils\\\\FormatConverter\\:\\:longToIp\\(\\) should return string but returns mixed\\.$#"
-			count: 1
-			path: libraries/classes/Utils/FormatConverter.php
-
 		-
 			message: "#^Parameter \\#1 \\$haystack of function strpos expects string, mixed given\\.$#"
 			count: 1
@@ -11035,11 +11015,6 @@ parameters:
 			count: 1
 			path: test/classes/Utils/FormatConverterTest.php
 
-		-
-			message: "#^Method PhpMyAdmin\\\\Tests\\\\Utils\\\\FormatConverterTest\\:\\:providerLongToIp\\(\\) return type has no value type specified in iterable type array\\.$#"
-			count: 1
-			path: test/classes/Utils/FormatConverterTest.php
-
 		-
 			message: "#^Method PhpMyAdmin\\\\Tests\\\\Utils\\\\GisTest\\:\\:providerConvertToWellKnownText\\(\\) return type has no value type specified in iterable type array\\.$#"
 			count: 1
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 6f4d6ca806..7fc6745f9d 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -11680,9 +11680,6 @@
       <code>$options[1]</code>
       <code>$options[2]</code>
     </MixedArgument>
-    <RedundantCastGivenDocblockType>
-      <code>(string) $buffer</code>
-    </RedundantCastGivenDocblockType>
   </file>
   <file src="libraries/classes/Plugins/Transformations/Abs/DownloadTransformationsPlugin.php">
     <InvalidArrayOffset>
@@ -11769,9 +11766,6 @@
       <code>$options[2]</code>
       <code>$options[2]</code>
     </MixedOperand>
-    <RedundantCastGivenDocblockType>
-      <code>(string) $buffer</code>
-    </RedundantCastGivenDocblockType>
   </file>
   <file src="libraries/classes/Plugins/Transformations/Abs/TextImageLinkTransformationsPlugin.php">
     <MixedOperand>
@@ -14088,16 +14082,14 @@
     <MixedInferredReturnType>
       <code>false|string</code>
       <code>string</code>
-      <code>string</code>
     </MixedInferredReturnType>
     <MixedReturnStatement>
-      <code>$buffer</code>
       <code>$buffer</code>
       <code>$isBinary ? bin2hex($buffer) : $buffer</code>
       <code>$isBinary ? bin2hex($buffer) : $buffer</code>
     </MixedReturnStatement>
     <RedundantCast>
-      <code>(string) long2ip((int) $buffer)</code>
+      <code>(string) long2ip((int) $bufferAsFloat)</code>
     </RedundantCast>
   </file>
   <file src="libraries/classes/Utils/Gis.php">
@@ -15900,7 +15892,6 @@
       <code>array</code>
       <code>array</code>
       <code>array</code>
-      <code>array</code>
     </MixedInferredReturnType>
   </file>
   <file src="test/classes/Utils/GisTest.php">
diff --git a/test/classes/Plugins/Transformations/TransformationPluginsTest.php b/test/classes/Plugins/Transformations/TransformationPluginsTest.php
index d1403390bc..a89c25abcf 100644
--- a/test/classes/Plugins/Transformations/TransformationPluginsTest.php
+++ b/test/classes/Plugins/Transformations/TransformationPluginsTest.php
@@ -23,6 +23,7 @@ use PhpMyAdmin\Plugins\Transformations\Text_Plain_Link;
 use PhpMyAdmin\Plugins\Transformations\Text_Plain_Longtoipv4;
 use PhpMyAdmin\Plugins\Transformations\Text_Plain_PreApPend;
 use PhpMyAdmin\Plugins\Transformations\Text_Plain_Substring;
+use PhpMyAdmin\Plugins\TransformationsPlugin;
 use PhpMyAdmin\Tests\AbstractTestCase;
 use ReflectionMethod;
 
@@ -437,17 +438,17 @@ class TransformationPluginsTest extends AbstractTestCase
             ],
             [
                 new Text_Plain_Dateformat(),
-                [12345, [0], new FieldMetadata(MYSQLI_TYPE_TINY, 0, (object) [])],
+                ['12345', [0], new FieldMetadata(MYSQLI_TYPE_TINY, 0, (object) [])],
                 '<dfn onclick="alert(&quot;12345&quot;);" title="12345">Jan 01, 1970 at 03:25 AM</dfn>',
             ],
             [
                 new Text_Plain_Dateformat(),
-                [12345678, [0], new FieldMetadata(MYSQLI_TYPE_STRING, 0, (object) [])],
+                ['12345678', [0], new FieldMetadata(MYSQLI_TYPE_STRING, 0, (object) [])],
                 '<dfn onclick="alert(&quot;12345678&quot;);" title="12345678">May 23, 1970 at 09:21 PM</dfn>',
             ],
             [
                 new Text_Plain_Dateformat(),
-                [123456789, [0], new FieldMetadata(-1, 0, (object) [])],
+                ['123456789', [0], new FieldMetadata(-1, 0, (object) [])],
                 '<dfn onclick="alert(&quot;123456789&quot;);" title="123456789">Nov 29, 1973 at 09:33 PM</dfn>',
             ],
             [
@@ -531,8 +532,8 @@ class TransformationPluginsTest extends AbstractTestCase
                 . ' target="_blank" rel="noopener noreferrer">https://example.com/PMA_TXT_LINK</a>',
             ],
             [new Text_Plain_Link(), ['PMA_TXT_LINK', ['./php/', 'text_name']], './php/PMA_TXT_LINK'],
-            [new Text_Plain_Longtoipv4(), [42949672, ['option1', 'option2']], '2.143.92.40'],
-            [new Text_Plain_Longtoipv4(), [4294967295, ['option1', 'option2']], '255.255.255.255'],
+            [new Text_Plain_Longtoipv4(), ['42949672', []], '2.143.92.40'],
+            [new Text_Plain_Longtoipv4(), ['4294967295', ['option1', 'option2']], '255.255.255.255'],
             [new Text_Plain_PreApPend(), ['My', ['php', 'Admin']], 'phpMyAdmin'],
             [new Text_Plain_Substring(), ['PMA_BUFFER', [1, 3, 'suffix']], 'suffixMA_suffix'],
             [new Text_Plain_Substring(), ['PMA_BUFFER', ['1', '3', 'suffix']], 'suffixMA_suffix'],
@@ -544,8 +545,7 @@ class TransformationPluginsTest extends AbstractTestCase
             [new Text_Plain_Substring(), ['PMA_BUFFER', ['-1']], '…R…'],
             [new Text_Plain_Substring(), ['PMA_BUFFER', [0, 2]], 'PM…'],
             [new Text_Plain_Substring(), ['PMA_BUFFER', ['0', '2']], 'PM…'],
-            [new Text_Plain_Substring(), [2, []], '2'],
-            [new Text_Plain_Longtoipv4(), [168496141], '10.11.12.13'],
+            [new Text_Plain_Substring(), ['2', []], '2'],
             [new Text_Plain_Longtoipv4(), ['168496141'], '10.11.12.13'],
             [new Text_Plain_Longtoipv4(), ['my ip'], 'my ip'],
             [new Text_Plain_Longtoipv4(), ['<my ip>'], '&lt;my ip&gt;'],
@@ -596,27 +596,25 @@ class TransformationPluginsTest extends AbstractTestCase
     /**
      * Tests for applyTransformation, isSuccess, getError
      *
-     * @param object     $object      instance of the plugin
-     * @param array      $applyArgs   arguments for applyTransformation
-     * @param string|int $transformed the expected output of applyTransformation
-     * @param bool       $success     the expected output of isSuccess
-     * @param string     $error       the expected output of getError
+     * @param TransformationsPlugin $object      instance of the plugin
+     * @param array                 $applyArgs   arguments for applyTransformation
+     * @param string|int            $transformed the expected output of applyTransformation
+     * @param bool                  $success     the expected output of isSuccess
+     * @param string                $error       the expected output of getError
+     * @psalm-param array{string, array, FieldMetadata|null} $applyArgs
      *
      * @dataProvider transformationDataProvider
      * @group medium
      */
     public function testTransformation(
-        object $object,
+        TransformationsPlugin $object,
         array $applyArgs,
         string|int $transformed,
         bool $success = true,
         string $error = '',
     ): void {
-        $reflectionMethod = new ReflectionMethod($object, 'applyTransformation');
-        $this->assertEquals(
-            $transformed,
-            $reflectionMethod->invokeArgs($object, $applyArgs),
-        );
+        $actual = $object->applyTransformation(...$applyArgs);
+        $this->assertEquals($transformed, $actual);
 
         // For output transformation plugins, this method may not exist
         if (method_exists($object, 'isSuccess')) {
diff --git a/test/classes/Utils/FormatConverterTest.php b/test/classes/Utils/FormatConverterTest.php
index 70faedcd15..e92e1f2b79 100644
--- a/test/classes/Utils/FormatConverterTest.php
+++ b/test/classes/Utils/FormatConverterTest.php
@@ -114,10 +114,19 @@ class FormatConverterTest extends AbstractTestCase
     /**
      * Data provider for longToIp
      *
-     * @return array
+     * @return array<array{string, string}>
      */
     public static function providerLongToIp(): array
     {
-        return [['10.11.12.13', '168496141'], ['my ip', 'my ip']];
+        return [
+            ['my ip', 'my ip'],
+            ['10.11.12.13', '168496141'],
+            ['-1', '-1'],
+            ['0.0.0.0', '0'],
+            ['127.255.255.255', '2147483647'],
+            ['128.0.0.0', '2147483648'],
+            ['255.255.255.255', '4294967295'],
+            ['4294967296', '4294967296'],
+        ];
     }
 }