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-read
+title: "PHP XML SimpleXML Read"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["simplexml_load_string", "libxml_get_errors", "PHP SimpleXML 읽기"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.89
+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_read.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[PHP XML SimpleXML Read]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+`libxml_use_internal_errors(true)` must be set BEFORE loading malformed XML — this suppresses PHP's default warning output and instead lets `libxml_get_errors()` collect structured error objects afterward, converting what would be scattered warnings into a clean, loop-able error list. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **SimpleXML Parser** — a lightweight, low-resource, tree-based parser; part of PHP core (no install needed); ideal for small/simple XML. [S1]
+- **`simplexml_load_string($xml)`** — parses XML from a string. [S1]
+- **`simplexml_load_file($filename)`** — parses XML from a file. [S1]
+- **`libxml_use_internal_errors(true)`** — suppresses default warnings, enabling structured error capture. [S1]
+- **`libxml_get_errors()`** — returns an array of error objects (each with a `->message`) after a failed parse. [S1]
+
+## 📖 세부 내용 (Details)
+- Read from string: `$xml = simplexml_load_string($myXMLData) or die("Error: Cannot create object"); print_r($xml);`. [S1]
+- Read from file: `$xml = simplexml_load_file("note.xml") or die("Error: Cannot create object");`. [S1]
+- Structured error handling on malformed XML: `libxml_use_internal_errors(true); $xml = simplexml_load_string($myXMLData); if ($xml === false) { foreach(libxml_get_errors() as $error) { echo "<br>", $error->message; } }`. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+소스에서 모순되는 정보는 발견되지 않음.
+
+## 🛠️ 적용 사례 (Applied in summary)
+현재 발견된 실제 적용 사례가 없습니다 — 태그 불일치(mismatched tag) 오류를 구조화된 에러 배열로 잡아내는 것이 실전 XML 검증의 대표 사례다. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+Structured XML error handling with libxml (PHP):
+```php
+libxml_use_internal_errors(true);
+$xml = simplexml_load_string($myXMLData);
+if ($xml === false) {
+    foreach (libxml_get_errors() as $error) {
+        echo "<br>", $error->message;
+    }
+}
+```
+
+## ✅ 검증 상태 및 신뢰도
+- **상태:** draft
+- **검증 단계:** conceptual
+- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
+- **신뢰 점수:** 0.89
+- **중복 검사 결과:** 신규 생성 (New discovery)
+
+## 🔗 지식 그래프 (Knowledge Graph)
+- **상위/루트:** [[PHP Tutorial]]
+- **관련 개념:** [[PHP XML Parsers]], [[PHP XML SimpleXML Get]]
+- **참조 맥락:** SimpleXML 읽기 기초 — 노드 값 조회(SimpleXML Get) 챕터로 직접 이어짐.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — PHP SimpleXML Parser — https://www.w3schools.com/php/php_xml_simplexml_read.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "PHP SimpleXML Parser" page (Astra wiki-curation, P-Reinforce v3.1 format).