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lib/PhpSpreadsheet/Style/ConditionalFormatting/CellStyleAssessor.php

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+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Style\ConditionalFormatting;
+
+use PhpOffice\PhpSpreadsheet\Cell\Cell;
+use PhpOffice\PhpSpreadsheet\Style\Conditional;
+use PhpOffice\PhpSpreadsheet\Style\Style;
+
+class CellStyleAssessor
+{
+    protected CellMatcher $cellMatcher;
+
+    protected StyleMerger $styleMerger;
+
+    public function __construct(Cell $cell, string $conditionalRange)
+    {
+        $this->cellMatcher = new CellMatcher($cell, $conditionalRange);
+        $this->styleMerger = new StyleMerger($cell->getStyle());
+    }
+
+    /**
+     * @param Conditional[] $conditionalStyles
+     */
+    public function matchConditions(array $conditionalStyles = []): Style
+    {
+        foreach ($conditionalStyles as $conditional) {
+            if ($this->cellMatcher->evaluateConditional($conditional) === true) {
+                // Merging the conditional style into the base style goes in here
+                $this->styleMerger->mergeStyle($conditional->getStyle());
+                if ($conditional->getStopIfTrue() === true) {
+                    break;
+                }
+            }
+        }
+
+        return $this->styleMerger->getStyle();
+    }
+}