12 files changed, 14 insertions, 14 deletions
diff --git a/app/Statistics/Google/ChartBirth.php b/app/Statistics/Google/ChartBirth.php
index 7549d09b67..32aa1a499d 100644
--- a/app/Statistics/Google/ChartBirth.php
+++ b/app/Statistics/Google/ChartBirth.php
@@ -86,7 +86,7 @@ class ChartBirth
      *
      * @return string
      */
-    public function chartBirth(string $color_from = null, string $color_to = null): string
+    public function chartBirth(string|null $color_from = null, string|null $color_to = null): string
     {
         $color_from ??= 'ffffff';
         $color_to ??= '84beff';
diff --git a/app/Statistics/Google/ChartCommonGiven.php b/app/Statistics/Google/ChartCommonGiven.php
index 735b2f7b65..3e032b6617 100644
--- a/app/Statistics/Google/ChartCommonGiven.php
+++ b/app/Statistics/Google/ChartCommonGiven.php
@@ -53,7 +53,7 @@ class ChartCommonGiven
     public function chartCommonGiven(
         int $tot_indi,
         array $given,
-        string $color_from = null,
+        string|null $color_from = null,
         string $color_to = null
     ): string {
         $color_from ??= 'ffffff';
diff --git a/app/Statistics/Google/ChartCommonSurname.php b/app/Statistics/Google/ChartCommonSurname.php
index afa930f925..69566aa620 100644
--- a/app/Statistics/Google/ChartCommonSurname.php
+++ b/app/Statistics/Google/ChartCommonSurname.php
@@ -111,7 +111,7 @@ class ChartCommonSurname
     public function chartCommonSurnames(
         int $tot_indi,
         array $all_surnames,
-        string $color_from = null,
+        string|null $color_from = null,
         string $color_to = null
     ): string {
         $color_from ??= 'ffffff';
diff --git a/app/Statistics/Google/ChartDeath.php b/app/Statistics/Google/ChartDeath.php
index 739beb2702..e513ea2291 100644
--- a/app/Statistics/Google/ChartDeath.php
+++ b/app/Statistics/Google/ChartDeath.php
@@ -86,7 +86,7 @@ class ChartDeath
      *
      * @return string
      */
-    public function chartDeath(string $color_from = null, string $color_to = null): string
+    public function chartDeath(string|null $color_from = null, string|null $color_to = null): string
     {
         $color_from ??= 'ffffff';
         $color_to ??= '84beff';
diff --git a/app/Statistics/Google/ChartDivorce.php b/app/Statistics/Google/ChartDivorce.php
index 6aa83e6db4..2da03bbfb5 100644
--- a/app/Statistics/Google/ChartDivorce.php
+++ b/app/Statistics/Google/ChartDivorce.php
@@ -86,7 +86,7 @@ class ChartDivorce
      *
      * @return string
      */
-    public function chartDivorce(string $color_from = null, string $color_to = null): string
+    public function chartDivorce(string|null $color_from = null, string|null $color_to = null): string
     {
         $color_from ??= 'ffffff';
         $color_to ??= '84beff';
diff --git a/app/Statistics/Google/ChartFamilyLargest.php b/app/Statistics/Google/ChartFamilyLargest.php
index 40a7423e32..a2890b719e 100644
--- a/app/Statistics/Google/ChartFamilyLargest.php
+++ b/app/Statistics/Google/ChartFamilyLargest.php
@@ -78,8 +78,8 @@ class ChartFamilyLargest
      * @return string
      */
     public function chartLargestFamilies(
-        string $color_from = null,
-        string $color_to = null,
+        string|null $color_from = null,
+        string|null $color_to = null,
         int $total = 10
     ): string {
         $color_from ??= 'ffffff';
diff --git a/app/Statistics/Google/ChartFamilyWithSources.php b/app/Statistics/Google/ChartFamilyWithSources.php
index 9caffb9144..09683e5cd4 100644
--- a/app/Statistics/Google/ChartFamilyWithSources.php
+++ b/app/Statistics/Google/ChartFamilyWithSources.php
@@ -53,7 +53,7 @@ class ChartFamilyWithSources
     public function chartFamsWithSources(
         int $tot_fam,
         int $tot_fam_source,
-        string $color_from = null,
+        string|null $color_from = null,
         string $color_to = null
     ): string {
         $color_from ??= 'ffffff';
diff --git a/app/Statistics/Google/ChartIndividualWithSources.php b/app/Statistics/Google/ChartIndividualWithSources.php
index 73dd9a485b..a3f0da9d79 100644
--- a/app/Statistics/Google/ChartIndividualWithSources.php
+++ b/app/Statistics/Google/ChartIndividualWithSources.php
@@ -53,7 +53,7 @@ class ChartIndividualWithSources
     public function chartIndisWithSources(
         int $tot_indi,
         int $tot_indi_source,
-        string $color_from = null,
+        string|null $color_from = null,
         string $color_to = null
     ): string {
         $color_from ??= 'ffffff';
diff --git a/app/Statistics/Google/ChartMarriage.php b/app/Statistics/Google/ChartMarriage.php
index a811191e3b..fc6884a44e 100644
--- a/app/Statistics/Google/ChartMarriage.php
+++ b/app/Statistics/Google/ChartMarriage.php
@@ -86,7 +86,7 @@ class ChartMarriage
      *
      * @return string
      */
-    public function chartMarriage(string $color_from = null, string $color_to = null): string
+    public function chartMarriage(string|null $color_from = null, string|null $color_to = null): string
     {
         $color_from ??= 'ffffff';
         $color_to ??= '84beff';
diff --git a/app/Statistics/Google/ChartMedia.php b/app/Statistics/Google/ChartMedia.php
index dd6bfa8b27..0f1570cdd5 100644
--- a/app/Statistics/Google/ChartMedia.php
+++ b/app/Statistics/Google/ChartMedia.php
@@ -52,7 +52,7 @@ class ChartMedia
      */
     public function chartMedia(
         array $media,
-        string $color_from = null,
+        string|null $color_from = null,
         string $color_to = null
     ): string {
         $color_from ??= 'ffffff';
diff --git a/app/Statistics/Google/ChartMortality.php b/app/Statistics/Google/ChartMortality.php
index b489e36c31..5763a3d272 100644
--- a/app/Statistics/Google/ChartMortality.php
+++ b/app/Statistics/Google/ChartMortality.php
@@ -53,7 +53,7 @@ class ChartMortality
     public function chartMortality(
         int $tot_l,
         int $tot_d,
-        string $color_living = null,
+        string|null $color_living = null,
         string $color_dead = null
     ): string {
         $color_living ??= '#ffffff';
diff --git a/app/Statistics/Google/ChartSex.php b/app/Statistics/Google/ChartSex.php
index 6ed5cf3ea0..a92ee9c66e 100644
--- a/app/Statistics/Google/ChartSex.php
+++ b/app/Statistics/Google/ChartSex.php
@@ -42,8 +42,8 @@ class ChartSex
         int $tot_m,
         int $tot_f,
         int $tot_u,
-        string $color_female = null,
-        string $color_male = null,
+        string|null $color_female = null,
+        string|null $color_male = null,
         string $color_unknown = null
     ): string {
         $color_female ??= '#ffd1dc';