php semantic search
1.0.0
Kelas -kelas ini berisi antarmuka untuk pencarian dan implementasi semantik untuk mereka menggunakan Ropherta sebagai embedder dan pencarian vektor sqlite3 sebagai database vektor. Pencarian kata kunci menggunakan SQLITE3 FTS4 dan BM25 juga disediakan.
Untuk mengisi database vektor, kelas Ingester berisi chunker rekursif yang mirip dengan yang tersedia di langchain tetapi dengan beberapa kecepatan ditambah kemampuan untuk merujuk kembali ke offset dalam dokumen sumber.
Penggunaan yang lebih maju termasuk menggunakan pencarian vektor sebagai reranker dan menggunakan hyde untuk mendapatkan embeddings simetris.
Sumber demo dokumen dan indeks lebih dari 35.000 dokumen dari StackoverFlow dan dokumentasi PHP tersedia untuk diunduh.
Komponen konsumsi mengambil dokumen dalam format JSONL , dengan satu dokumen JSON yang dibentuk dengan baik per baris.
Teks harus menjadi teks biasa UTF-8 yang dikodekan (per JSON spec). Sistem akan membaginya menjadi potongan saat konsumsi.
{ "url": "...", "title": "...", "text": "...", "section": "...", "license": "..." }
Anda memerlukan sqlite-vss yang diinstal (baik vektor0 dan vss0.so)
Mengatur
[sqlite3]
; Directory pointing to SQLite3 extensions
; https://php.net/sqlite3.extension-dir
sqlite3.extension_dir = /path/to/the/sqlite3-vss-dllsapt install libgomp1 libblas3 liblapack3Instal kerangka kerja ONNX:
composer exec -- php -r "require 'vendor/autoload.php'; OnnxRuntimeVendor::check();"
Jika Anda ingin menggunakan model multibahasa, jangan unduh model ini dan ikuti instruksi di bagian selanjutnya. Untuk model bahasa Inggris, unduh kalimat Roberta Onnx Model (ini membutuhkan waktu, modelnya berukuran 362MB):
composer exec -- php -r "require 'vendor/autoload.php'; TextualizationSentenceTransphormersVendor::check();"
Unduh Perpustakaan Kalipik:
composer exec -- php -r "require 'vendor/autoload.php'; TextualizationSentencePieceVendor::check();"
Unduh XLM Tokenizer PusencePiece BPE Model:
composer exec -- php -r "require 'vendor/autoload.php'; TextualizationRophertaTokenizerVendor::check();"
Unduh model multibahasa-E5-Small (ukuran 471MB):
composer exec -- php -r "require 'vendor/autoload.php'; TextualizationSentenceTransphormersVendor::check(true);"
Harap dicatat: Jika Anda telah mengunduh model bahasa Inggris, Anda perlu menghapusnya terlebih dahulu. Saat ini hanya satu model yang dimungkinkan, batasan ini akan diangkat dalam versi mendatang.
Pasang ekstensi SQLite3 dan Ropherta per instruksi di atas.
Unduh data dan indeks dari http://textualization.com/download/phpsemsearch_0.1.tar.bz2 (192MB).
Mendekompres dan memindahkan file vector.db dan keyword.db ke folder root.
Dokumen teratas tampak sangat tepat.
$ composer run-script query keyword " composer produce time-out on script execution "
> Composer C onfig::disableProcessTimeout
> @php scripts/query.php ' keyword ' ' composer produce time-out on script execution '
Search query: compos OR produc OR time OR out OR on OR script OR execut
0. SearchResult[16.874319996013,https://www.php.net/manual/en/function.set-time-limit.php 0, ' function set-time-limit ' ]
1. SearchResult[16.699065789091,https://stackoverflow.com/q/365496 0, ' How to keep a php script from timing out because of a long mysql query ' ]
2. SearchResult[15.984700996733,https://stackoverflow.com/q/2439087 0, ' How can I set time limit on get_file_contents in PHP? ' ]
3. SearchResult[15.288043063863,https://stackoverflow.com/q/2443491 0, ' What is considered a long execution time? ' ]
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7. SearchResult[14.406441765697,https://stackoverflow.com/q/3110235 0, ' php garbage collection while script running ' ]
8. SearchResult[14.175007211438,https://stackoverflow.com/q/4765107 0, ' Can you figure out this PHP timing issue? ' ]
9. SearchResult[13.918155042184,https://www.php.net/manual/en/function.time-sleep-until.php 0, ' function time-sleep-until ' ]
10. SearchResult[13.677310963332,https://stackoverflow.com/q/2202355 0, ' Set maximum execution time for exec() specifically ' ]
11. SearchResult[13.537783397747,https://stackoverflow.com/q/1194857 0, ' How to schedule the execution of a PHP script on the server side? ' ]
12. SearchResult[13.527986155755,https://stackoverflow.com/q/2128619 0, ' Run Java class file from PHP script on a website ' ]
13. SearchResult[13.371804613541,https://stackoverflow.com/q/11786734 0, ' PHP readfile() and large files ' ]
14. SearchResult[13.354790819156,https://stackoverflow.com/q/5947345 0, ' PHP backup script timing out ' ]
15. SearchResult[13.336357456153,https://stackoverflow.com/q/22817670 0, ' PHP: maximum execution time when importing .SQL data file ' ]
16. SearchResult[13.238850536268,https://stackoverflow.com/q/4501876 0, ' How to get the execution time of a MySQL query from PHP? ' ]
17. SearchResult[13.181655818318,https://stackoverflow.com/q/145402 0, ' Can you recommend Performance Analysis tools for PHP? ' ]
18. SearchResult[13.143897483182,https://stackoverflow.com/q/20907382 0, ' PHP timeout running MSSQL SP ' ]
19. SearchResult[13.044314476608,https://stackoverflow.com/q/5317315 0, ' executing a Powershell script from php ' ]
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26. SearchResult[12.813708107511,https://stackoverflow.com/q/9562124 0, ' PHP MySQL set Connection Timeout ' ]
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30. SearchResult[12.457255454068,https://stackoverflow.com/q/4869611 0, ' Fatal error: Maximum execution time of 0 seconds exceeded ' ]
31. SearchResult[12.376381360159,https://stackoverflow.com/q/15776400 0, ' make script execution to unlimited ' ]
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35. SearchResult[12.274118332228,https://stackoverflow.com/q/16933606 0, ' error_reporting(E_ALL) does not produce an error ' ]
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37. SearchResult[12.20860917016,https://stackoverflow.com/q/7680572 0, ' Fatal error: Maximum execution time of 300 seconds exceeded ' ]
38. SearchResult[12.174936958789,https://www.php.net/manual/en/features.file-upload.common-pitfalls.php 0, ' features file-upload common-pitfalls ' ]
39. SearchResult[12.159400224308,https://stackoverflow.com/q/9087883 0, ' Reading a Git commit message from PHP ' ]
40. SearchResult[12.098897569281,https://stackoverflow.com/q/740954 0, ' Does sleep time count for execution time limit? ' ]
41. SearchResult[11.979302316362,https://stackoverflow.com/q/20471736 0, ' Gateway Time-out:The gateway did not receive a timely response from the upstream server ' ]
42. SearchResult[11.910314436649,https://stackoverflow.com/q/535020 0, ' Tracking the script execution time in PHP ' ]
43. SearchResult[11.907291503573,https://stackoverflow.com/q/6853057 0, ' Best way to periodically execute a PHP script? ' ]
44. SearchResult[11.825435975279,https://stackoverflow.com/q/17014531 0, ' PHP: Calling MySQL Stored Procedure with Both INPUT AND OUTPUT Parameters (NOT "INOUT") ' ]
45. SearchResult[11.812067390316,https://www.php.net/manual/en/function.getlastmod.php 0, ' function getlastmod ' ]
46. SearchResult[11.758600404801,https://stackoverflow.com/q/4717167 0, ' How to keep a persistent PHP script running? ' ]
47. SearchResult[11.728801536779,https://stackoverflow.com/q/845021 0, ' How can I get useful error messages in PHP? ' ]
48. SearchResult[11.647137530513,https://stackoverflow.com/q/6965541 0, ' Running PHP code/scripts on the command line ' ]
49. SearchResult[11.603155219238,https://stackoverflow.com/q/35681947 0, ' How to get PHP max_execution_time from the command line? ' ]Tidak sebagus kata kunci tetapi hasilnya benar -benar berbeda. Pencarian vektor menggunakan embedder simetris (seperti kalimat Roberta) bekerja lebih baik ketika mencari dokumen serupa bukan pertanyaan terhadap dokumen. Untuk kasus seperti itu, Hyde (disajikan di bawah) lebih baik. Alternatif, embedders asimetris (seperti instruktur) dapat diangkut ke PHP melalui ONNX.
$ composer run-script query vector " How to stop composer giving a time-out on a script execution "
> Composer C onfig::disableProcessTimeout
> @php scripts/query.php ' vector ' ' How to stop composer giving a time-out on a script execution '
0. SearchResult[-0.51090812683105,https://www.php.net/manual/en/function.oci-bind-by-name.php 14, ' function oci-bind-by-name ' ]
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3. SearchResult[-0.54987502098083,https://www.php.net/manual/en/function.stream-filter-register.php 3, ' function stream-filter-register ' ]
4. SearchResult[-0.55469918251038,https://stackoverflow.com/q/56757578 3, ' Composer fails with kylekatarnls/update-helper on new homestead ' ]
5. SearchResult[-0.5561431646347,https://www.php.net/manual/en/function.oci-get-implicit-resultset.php 7, ' function oci-get-implicit-resultset ' ]
6. SearchResult[-0.55869328975677,https://www.php.net/manual/en/function.eio-event-loop.php 1, ' function eio-event-loop ' ]
7. SearchResult[-0.56037712097168,https://www.php.net/manual/en/function.sem-acquire.php 1, ' function sem-acquire ' ]
8. SearchResult[-0.56422245502472,https://www.php.net/manual/en/function.imagegetclip.php 1, ' function imagegetclip ' ]
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10. SearchResult[-0.56800973415375,https://www.php.net/manual/en/book.com.php 2, ' book com ' ]
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13. SearchResult[-0.57834851741791,https://stackoverflow.com/q/8251426 0, ' Insert string at specified position ' ]
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19. SearchResult[-0.5861394405365,https://stackoverflow.com/q/17060177 0, ' Yii2 dropdown empty option ' ]
20. SearchResult[-0.58631610870361,https://stackoverflow.com/q/40067212 0, ' How to return custom error message from controller method validation ' ]
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25. SearchResult[-0.59462285041809,https://www.php.net/manual/en/ziparchive.registerprogresscallback.php 1, ' ziparchive registerprogresscallback ' ]
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37. SearchResult[-0.60857331752777,https://www.php.net/manual/en/function.ps-begin-template.php 3, ' function ps-begin-template ' ]
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49. SearchResult[-0.61479258537292,https://stackoverflow.com/q/10520390 0, ' Stop script execution upon notice/warning ' ]Menggabungkan kata kunci dan vektor. Harus lebih tepat.
$ composer run-script query reranked " How to stop composer giving a time-out on a script execution "
> Composer C onfig::disableProcessTimeout
> @php scripts/query.php ' reranked ' ' How to stop composer giving a time-out on a script execution '
Search query: how OR to OR stop OR compos OR give OR a OR time OR out OR on OR script OR execut
0. SearchResult[-0.61479258537292,https://stackoverflow.com/q/10520390 0, ' Stop script execution upon notice/warning ' ]Menggunakan fungsi ini membutuhkan kunci API OpenAI. Itu dapat dilewatkan melalui file, variabel lingkungan atau langsung di konstruktor. Perhatikan bahwa memanggil Openai sangat lambat . Dalam contoh ini teks chatgpt melempar pencarian vektor ke beberapa arah yang belum tentu ideal. Teks yang lebih pendek mungkin lebih baik.
$ composer run-script query ' {"class": "\Textualization\SemanticSearch\VectorHydeIndex", "completion":{"open_ai_key":"/path/to/key"}} ' " How to stop composer giving a time-out on a script execution "
> Composer C onfig::disableProcessTimeout
> @php scripts/query.php ' {"class": "\Textualization\SemanticSearch\VectorHydeIndex", "completion":{"open_ai_key":"/path/to/key"}} ' ' How to stop composer giving a time-out on a script execution '
Hdydrated query: There are several ways to prevent Composer from timing out during script execution:
1. Increase the timeout limit: By default, Composer has a timeout limit of 300 seconds (5 minutes). You can increase this limit by modifying the ` max_execution_time ` directive in your PHP configuration file (php.ini). Set it to a higher value, such as 600 (10 minutes) or more, depending on your script ' s requirements.
2. Optimize your script: If your script is taking too long to execute, consider optimizing it to reduce the execution time. Analyze your code and identify any bottlenecks or areas that can be improved. Use efficient algorithms, avoid unnecessary loops or recursive calls, and optimize database queries if applicable.
3. Split your script into smaller tasks: If your script performs multiple tasks, consider breaking it down into smaller tasks and executing them separately. This way, you can avoid hitting the timeout limit by completing each task within the allowed time frame.
4. Use command-line execution: Instead of running the script through a web server, you can execute it via the command line. Command-line execution typically has a longer timeout limit compared to web server execution. You can run the script using the `php` command followed by the script ' s file path.
5. Increase memory limit: If your script requires more memory to execute, you can increase the memory limit in your PHP configuration file (php.ini). Modify the ` memory_limit ` directive and set it to a higher value, such as 256M or more, depending on your script ' s memory requirements.
6. Use caching: If your script performs repetitive or resource-intensive tasks, consider implementing caching mechanisms. Caching can help reduce the execution time by storing and retrieving precomputed or frequently accessed data instead of recalculating it every time.
7. Use asynchronous processing: If your script involves time-consuming operations, consider using asynchronous processing techniques. Instead of waiting for each operation to complete before moving to the next, you can execute them concurrently or in the background using tools like queues, workers, or event-driven architectures.
Remember to restart your web server or PHP service after making changes to the PHP configuration file for the changes to take effect.
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38. SearchResult[-0.68179941177368,https://stackoverflow.com/q/2077576 2, ' PHP & mySQL: When exactly to use htmlentities ? ' ]
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49. SearchResult[-0.69992303848267,https://stackoverflow.com/q/19249159 0, ' Best practice multi language website ' ]Diberi nomor URL dan potongan, skrip pengambilan melakukan trik:
$ composer run-script fetch vector https://stackoverflow.com/q/2077576 2
> @php scripts/fetch.php ' vector ' ' https://stackoverflow.com/q/2077576 ' ' 2 '
URL: https://stackoverflow.com/q/2077576
Chunk: 2
Title: PHP & mySQL: When exactly to use htmlentities ?
Offset-start: 2169
Offset-end: 3238
Section: StackOverlow
License: CC-BY-SA-3.0
Text:
<p>I thought it might help to add some more specific details of a specific situation here. Consider that there is a 'Preview' page. Now when I submit the input from a textarea, the Preview page receives the input and shows it html and at the same time, a hidden input collects this input. When the submit button on the Preview button is hit, then the data from the hidden input is POST'ed to a new page and that page inserts the data contained in the hidden input, into the DB. If I do not apply htmlentities when the form is initially submitted (but apply only strip_tags and mysql_real_escape_string) and there's a malicious input in the textarea, the hidden input is broken and the last few characters of the hidden input visibly seen as <code>" /></code> on the page, which is undesirable. So keeping this in mind, I need to do something to preserve the integrity of the hidden input properly on the Preview page and yet collect the data in the hidden input so that it does not break it. How do I go about this? Apologize for the delay in posting this info.</p>Perhatikan bahwa indeks kata kunci tidak dikelilingi (semua nomor potongan adalah 0).
Dokumen disediakan sebagai file JSONL dalam format yang dijelaskan di bagian atas dokumen ini.
File sampel tersedia untuk diunduh.
$ composer run-script index keyword sophp.jsonl$ composer run-script index vector sophp.jsonlUntuk menggunakan indeks reranked, buat indeks vektor dan kata kunci secara terpisah.
Pengindeksan vektor memakan waktu sekitar satu hari dan mengkonsumsi sejumlah besar RAM saat ini.
Chunker rekursif dapat digunakan mandiri:
$ composer run-script chunk ropherta null 1024 tests/sornd1000.jsonl output.jsonl Dokumen output JSONL memiliki kunci:
title )text )url )chunk_num )offset_start )offset_end )license ) Tokenizer lain dimungkinkan, lihat kode di folder scripts . Menggunakan string null (null) mengatur ukuran ke karakter alih -alih token.
$ composer run-script embed /path/to/model.onnx " actual text to compute embeddings " Untuk memperluas jawaban menggunakan layanan penyelesaian (seperti buka ai chatgpt) Gunakan:
$ composer run-script hydrate /path/to/open-ai-key 1024 tests/sornd1000.jsonl output.jsonl Ini mengisi completion lapangan dari title dalam objek JSON .
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