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-xml-simplexml-get
+title: "PHP XML SimpleXML Get"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["SimpleXML node values", "SimpleXML attributes", "PHP SimpleXML 값 조회"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.9
+created_at: 2026-07-04
+updated_at: 2026-07-04
+review_reason: ""
+merge_history: []
+tags: ["php", "programming", "w3schools", "xml", "simplexml"]
+raw_sources: ["https://www.w3schools.com/php/php_xml_simplexml_get.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[PHP XML SimpleXML Get]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+SimpleXML lets you access node VALUES with `->propertyName` syntax and ATTRIBUTES with `['attrName']` array-bracket syntax on the SAME object — `$xml->book[0]->title` reads a nested element, while `$xml->book[0]['category']` reads that same book's attribute, meaning the choice of `->` vs `[]` distinguishes elements from attributes throughout SimpleXML. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **`->propertyName`** — reads a child element's value (e.g., `$xml->to`). [S1]
+- **`[]` on an element or the root** — array-indexes into repeated sibling elements (e.g., `$xml->book[0]`, `$xml->book[1]`). [S1]
+- **`['attrName']`** — reads an XML attribute's value (distinct from `->` for elements). [S1]
+- **`$xml->children()`** — used inside `foreach` to loop through all repeated child elements. [S1]
+
+## 📖 세부 내용 (Details)
+- Basic node value access: `$xml = simplexml_load_file("note.xml"); echo $xml->to . "<br>"; echo $xml->from . "<br>";`. [S1]
+- Indexed access into repeated elements: `echo $xml->book[0]->title . "<br>"; echo $xml->book[1]->title;`. [S1]
+- Looping all books: `foreach($xml->children() as $books) { echo $books->title . ", "; echo $books->author . ", "; echo $books->year . ", "; echo $books->price . "<br>"; }`. [S1]
+- Attribute access: `echo $xml->book[0]['category'] . "<br>"; echo $xml->book[1]->title['lang'];`. [S1]
+- Looping attributes: `foreach($xml->children() as $books) { echo $books->title['lang']; echo "<br>"; }`. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+소스에서 모순되는 정보는 발견되지 않음.
+
+## 🛠️ 적용 사례 (Applied in summary)
+현재 발견된 실제 적용 사례가 없습니다 — books.xml에서 여러 책의 제목/저자/연도/가격을 순회 출력하는 것이 SimpleXML 조회의 대표 실전 사례다. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+Looping through repeated elements and their attributes (PHP):
+```php
+$xml = simplexml_load_file("books.xml") or die("Error: Cannot create object");
+foreach ($xml->children() as $books) {
+    echo $books->title . ", " . $books->author . ", " . $books->year . ", " . $books->price . "<br>";
+    echo $books->title['lang'] . "<br>"; // attribute of the title element
+}
+```
+
+## ✅ 검증 상태 및 신뢰도
+- **상태:** draft
+- **검증 단계:** conceptual
+- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
+- **신뢰 점수:** 0.90
+- **중복 검사 결과:** 신규 생성 (New discovery)
+
+## 🔗 지식 그래프 (Knowledge Graph)
+- **상위/루트:** [[PHP Tutorial]]
+- **관련 개념:** [[PHP XML SimpleXML Read]], [[PHP XML Parser Expat]]
+- **참조 맥락:** SimpleXML 노드/속성 조회 — Expat 이벤트 기반 파서 챕터로 이어짐.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — PHP SimpleXML - Get Values — https://www.w3schools.com/php/php_xml_simplexml_get.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "PHP SimpleXML - Get Values" page (Astra wiki-curation, P-Reinforce v3.1 format).