allow to pass format as array for each column

composer.json

@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "php": ">=7.3.0",
+        "php": ">=8.0",
         "ext-zip": "*",
         "ext-xmlreader": "*",
         "ext-dom": "*"

src/Spout/Writer/Common/Creator/WriterEntityFactory.php

@@ -7,6 +7,7 @@
 use Box\Spout\Common\Entity\Style\Style;
 use Box\Spout\Common\Exception\UnsupportedTypeException;
 use Box\Spout\Common\Type;
+use Box\Spout\Writer\Common\Creator\Style\StyleBuilder;
 use Box\Spout\Writer\WriterInterface;
 
 /**
@@ -101,9 +102,17 @@ public static function createRow(array $cells = [], Style $rowStyle = null)
      */
     public static function createRowFromArray(array $cellValues = [], Style $rowStyle = null)
     {
-        $cells = \array_map(function ($cellValue) {
-            return new Cell($cellValue);
-        }, $cellValues);
+        $format = $rowStyle?->getFormat();
+        $cellStyles = [];
+
+        if (is_array($format)) {
+            foreach ($format as $k => $f)
+                $cellStyles[$k] = (new StyleBuilder())->setFormat($f ?? '@')->build();
+        }
+
+        $cells = \array_map(function ($k, $cellValue) use ($cellStyles) {
+            return new Cell($cellValue, $cellStyles[$k] ?? null);
+        }, array_keys(array_values($cellValues)), $cellValues);
 
         return new Row($cells, $rowStyle);
     }

src/Spout/Writer/XLSX/Manager/Style/StyleRegistry.php

@@ -141,7 +141,9 @@ protected function registerFormat(Style $style)
         $styleId = $style->getId();
 
         $format = $style->getFormat();
-        if ($format) {
+
+        // If format is passed as array then skip it from add it to rowstyles
+        if (!is_array($format)) {
             $isFormatRegistered = isset($this->registeredFormats[$format]);
 
             // We need to track the already registered format definitions