docs(10_Wiki): 위키 구조 정리 — 언어 튜토리얼 카테고리 폴더 제거 + 신규 자산 동기화

Topic_CSS/Topic_HTML/Topic_JavaScript/Topic_Prompt/Topic_Comfyui 등 기존 카테고리 폴더를 정리하고, Topic_Graphic/Dev 등 신규 산출물과 Topics 내부 세션/메모리 기록을 동기화.
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+---
+id: php-comments-multiline
+title: "PHP Comments Multiline"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["PHP 여러 줄 주석"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.87
+created_at: 2026-07-04
+updated_at: 2026-07-04
+review_reason: ""
+merge_history: []
+tags: ["php", "programming", "w3schools", "comments"]
+raw_sources: ["https://www.w3schools.com/php/php_comments_multiline.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[PHP Comments Multiline]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+Multi-line comment syntax (`/* ... */`) can be embedded MID-STATEMENT, not just around whole lines — `$x = 5 /* + 15 */ + 5;` shows the comment silently removing a piece of an expression, letting you selectively "comment out" a sub-part of a calculation without touching the rest of the line. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **`/* ... */`** — multi-line comment; all text between the delimiters is ignored. [S1]
+- **Block-disabling** — wrapping multiple lines of code in `/* */` disables the entire block at once. [S1]
+- **Mid-expression use** — the same syntax can remove just a fragment of a single line/expression. [S1]
+
+## 📖 세부 내용 (Details)
+- Explanatory comment: `/* The next statement will print a welcome message */ echo 'Welcome Home!';`. [S1]
+- Disabling a code block: `/* echo 'Welcome to my home!'; echo 'Mi casa su casa!'; */ echo 'Hello!';` — only "Hello!" prints. [S1]
+- Mid-line fragment removal: `$x = 5 /* + 15 */ + 5; echo $x; // 10, not 25`. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+소스에서 모순되는 정보는 발견되지 않음.
+
+## 🛠️ 적용 사례 (Applied in summary)
+현재 발견된 실제 적용 사례가 없습니다 — 계산식 일부를 임시로 제외하고 테스트하는 것이 실전에서 자주 쓰이는 디버깅 기법이다. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+Mid-expression comment removing part of a calculation (PHP):
+```php
+$x = 5 /* + 15 */ + 5;
+echo $x; // 10
+```
+
+## ✅ 검증 상태 및 신뢰도
+- **상태:** draft
+- **검증 단계:** conceptual
+- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
+- **신뢰 점수:** 0.87
+- **중복 검사 결과:** 신규 생성 (New discovery)
+
+## 🔗 지식 그래프 (Knowledge Graph)
+- **상위/루트:** [[PHP Tutorial]]
+- **관련 개념:** [[PHP Comments]], [[PHP Variables]]
+- **참조 맥락:** 여러 줄 주석 — 변수(Variables) 챕터로 이어짐.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — PHP Multi-line Comments — https://www.w3schools.com/php/php_comments_multiline.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "PHP Multi-line Comments" page (Astra wiki-curation, P-Reinforce v3.1 format).