fix: highlightPhp misidentifies multiplication line as doc-comment

Author: recca0120

packages/phpunit/src/Printer/SourceFileReader.test.ts

@@ -0,0 +1,36 @@
+import { mkdirSync, rmSync, writeFileSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import styles from 'ansi-styles';
+import { afterAll, beforeAll, describe, expect, it } from 'vitest';
+import { AnsiStyle, DEFAULT_THEME } from './AnsiStyle';
+import { readSourceSnippet } from './SourceFileReader';
+
+describe('readSourceSnippet highlightPhp', () => {
+    const style = new AnsiStyle(DEFAULT_THEME);
+    const dir = join(tmpdir(), 'source-reader-test');
+    const file = join(dir, 'multiply.php');
+
+    beforeAll(() => {
+        mkdirSync(dir, { recursive: true });
+        writeFileSync(file, ['<?php', '$x = $a', '    * $b;', ''].join('\n'));
+    });
+
+    afterAll(() => {
+        rmSync(dir, { recursive: true, force: true });
+    });
+
+    it('should not treat multiplication line as doc-comment', () => {
+        const lines = readSourceSnippet(file, 3, style);
+
+        expect(lines).toBeDefined();
+        // Line 3 is "    * $b;" — the * should NOT be styled as a comment
+        const line3 = lines?.find((l) => l.includes('$b'));
+        expect(line3).toBeDefined();
+        // $b should be styled as a variable (bold)
+        expect(line3).toContain(`${styles.bold.open}$b${styles.bold.close}`);
+        // The content after delimiter should NOT start with italic (comment style)
+        const content = line3?.split('▕')[1] ?? '';
+        expect(content).not.toContain(styles.italic.open);
+    });
+});

packages/phpunit/src/Printer/SourceFileReader.ts

@@ -88,10 +88,10 @@ function highlightPhp(line: string, style: AnsiStyle): string {
             continue;
         }
 
-        // Doc comment continuation: lines starting with *
+        // Doc comment continuation: lines starting with * (but not *=, */, etc.)
         if (pos === 0 || line.slice(0, pos).trim() === '') {
-            const docContMatch = line.slice(pos).match(/^\s*\*.*/);
-            if (docContMatch && line.trim().startsWith('*')) {
+            const docContMatch = line.slice(pos).match(/^\s*\*(?!\s*\$)(?!\s*\d).*/);
+            if (docContMatch) {
                 result += style.comment(docContMatch[0]);
                 pos += docContMatch[0].length;
                 continue;