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3.8 KiB
3.8 KiB
id, title, category, status, verification_status, canonical_id, aliases, duplicate_of, source_trust_level, confidence_score, created_at, updated_at, review_reason, merge_history, tags, raw_sources, applied_in, github_commit
| id | title | category | status | verification_status | canonical_id | aliases | duplicate_of | source_trust_level | confidence_score | created_at | updated_at | review_reason | merge_history | tags | raw_sources | applied_in | github_commit | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| php-ajax-xml | PHP AJAX XML | Programming_Language | draft | conceptual |
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B | 0.87 | 2026-07-04 | 2026-07-04 |
|
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PHP AJAX XML
🎯 한 줄 통찰 (One-line insight)
The PHP endpoint has to do a two-step DOM search to find related data — first locate the <ARTIST> node matching the query, THEN walk UP to its parentNode to reach the sibling elements (title, year, etc.) that describe the same CD — because XML's tree structure means "find the artist" and "find everything about that artist's CD" are two separate traversal operations. [S1]
🧠 핵심 개념 (Core concepts)
- Same AJAX skeleton —
onchange+XMLHttpRequest, identical pattern to the database example. [S1] - PHP-side XML search via
DOMDocument—$xmlDoc->load("cd_catalog.xml"); $x = $xmlDoc->getElementsByTagName('ARTIST');finds all artist nodes. [S1] nodeType == 1— filters for actual ELEMENT nodes, excluding whitespace text nodes (same gotcha noted in the DOM Parser chapter). [S1]->parentNode— navigates from a matched child node back up to its parent, to reach sibling data (title, year, price, etc. of the same CD). [S1]- Building the response by iterating siblings — once the parent CD node is found, its
childNodesare looped to output each field. [S1]
📖 세부 내용 (Details)
- Finding the matching artist's parent CD node:
$x = $xmlDoc->getElementsByTagName('ARTIST'); for ($i=0; $i<=$x->length-1; $i++) { if ($x->item($i)->nodeType==1) { if ($x->item($i)->childNodes->item(0)->nodeValue == $q) { $y=($x->item($i)->parentNode); } } }. [S1] - Outputting all sibling fields of the matched CD:
$cd=($y->childNodes); for ($i=0;$i<$cd->length;$i++) { if ($cd->item($i)->nodeType==1) { echo("<b>" . $cd->item($i)->nodeName . ":</b> "); echo($cd->item($i)->childNodes->item(0)->nodeValue); echo("<br>"); } }. [S1]
⚖️ 모순 및 업데이트 (Contradictions & updates)
소스에서 모순되는 정보는 발견되지 않음.
🛠️ 적용 사례 (Applied in summary)
현재 발견된 실제 적용 사례가 없습니다 — CD 카탈로그 XML에서 아티스트명으로 검색해 앨범 정보를 반환하는 것이 DOM 기반 XML 검색의 대표 실전 사례다. [S1]
💻 코드 패턴 (Code patterns)
Finding a matching node then navigating to its parent for sibling data (PHP/DOM):
$x = $xmlDoc->getElementsByTagName('ARTIST');
for ($i = 0; $i <= $x->length - 1; $i++) {
if ($x->item($i)->nodeType == 1) {
if ($x->item($i)->childNodes->item(0)->nodeValue == $q) {
$y = $x->item($i)->parentNode; // step up to sibling data
}
}
}
✅ 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 Database, PHP XML DOM, PHP AJAX Live Search
- 참조 맥락: DOM 기반 XML 검색 — 실시간 검색(AJAX Live Search) 챕터로 이어짐.
📚 출처 (Sources)
- [S1] W3Schools — PHP Example - AJAX and XML — https://www.w3schools.com/php/php_ajax_xml.asp
📝 변경 이력 (Change history)
- 2026-07-04: Initial draft synthesized from the W3Schools "PHP Example - AJAX and XML" page (Astra wiki-curation, P-Reinforce v3.1 format).