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-ajax-live-search
+title: "PHP AJAX Live Search"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["실시간 검색", "PHP AJAX 라이브 서치"]
+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", "ajax", "xml", "search"]
+raw_sources: ["https://www.w3schools.com/php/php_ajax_livesearch.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[PHP AJAX Live Search]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+Live search is framed with three explicit UX benefits over traditional search — results appear WHILE typing, narrow AS you keep typing, and widen again if you delete characters — meaning the entire feature is really just the name-autocomplete pattern (onkeyup + XMLHttpRequest) applied to XML data with a link/title match instead of a name match. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **Live search benefits** — instant results while typing, narrowing results with more input, broadening results by deleting characters. [S1]
+- **Same onkeyup pattern** — reuses the exact autocomplete architecture from `PHP AJAX PHP`. [S1]
+- **XML data source** — `links.xml`, containing `<link>` elements each with a `<title>` and `<url>` sub-element. [S1]
+- **PHP-side search via DOM + `stristr()`** — loads the XML with `DOMDocument`, then loops all `<link>` elements checking if the query string appears (case-insensitively) in each `<title>`. [S1]
+- **Response is pre-built HTML links** — matches are wrapped in `<a href="...">...</a>` tags directly by PHP before being sent back. [S1]
+
+## 📖 세부 내용 (Details)
+- PHP search loop: `$xmlDoc=new DOMDocument(); $xmlDoc->load("links.xml"); $x=$xmlDoc->getElementsByTagName('link'); $q=$_GET["q"]; if (strlen($q)>0) { for($i=0; $i<($x->length); $i++) { $y=$x->item($i)->getElementsByTagName('title'); $z=$x->item($i)->getElementsByTagName('url'); if (stristr($y->item(0)->childNodes->item(0)->nodeValue,$q)) { $hint = "<a href='" . $z->item(0)->childNodes->item(0)->nodeValue . "' target='_blank'>" . $y->item(0)->childNodes->item(0)->nodeValue . "</a>"; } } }`. [S1]
+- Fallback: `if ($hint=="") { $response="no suggestion"; } else { $response=$hint; } echo $response;`. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+소스에서 모순되는 정보는 발견되지 않음.
+
+## 🛠️ 적용 사례 (Applied in summary)
+현재 발견된 실제 적용 사례가 없습니다 — W3Schools 페이지 링크를 실시간으로 검색해 클릭 가능한 링크로 반환하는 것이 실전 라이브 서치의 대표 사례다. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+Case-insensitive title search returning pre-built HTML links (PHP/DOM):
+```php
+if (stristr($y->item(0)->childNodes->item(0)->nodeValue, $q)) {
+    $hint = "<a href='" . $z->item(0)->childNodes->item(0)->nodeValue .
+            "' target='_blank'>" . $y->item(0)->childNodes->item(0)->nodeValue . "</a>";
+}
+```
+
+## ✅ 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 AJAX XML]], [[PHP AJAX Poll]]
+- **참조 맥락:** onkeyup 실시간 검색 — 폴(AJAX Poll) 챕터로 이어짐.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — PHP - AJAX Live Search — https://www.w3schools.com/php/php_ajax_livesearch.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "PHP - AJAX Live Search" page (Astra wiki-curation, P-Reinforce v3.1 format).