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[Database & ORM](/categories/database) 4. / 5. anshu-krishna/neo4j-bolt ActiveLibrary[Database & ORM](/categories/database) anshu-krishna/neo4j-bolt ======================== PHP driver for Bolt protocol for communication with Neo4j graph database over TCP 2.0(3y ago)020MITPHPPHP >=8.1 Since Sep 1Pushed 3y ago1 watchersCompare [ Source](https://github.com/anshu-krishna/Neo4j-Bolt)[ Packagist](https://packagist.org/packages/anshu-krishna/neo4j-bolt)[ RSS](/packages/anshu-krishna-neo4j-bolt/feed)WikiDiscussions main Synced 1mo ago READMEChangelog (3)Dependencies (1)Versions (4)Used By (0) Krishna-Neo4j-Bolt ================== [](#krishna-neo4j-bolt) PHP driver for Bolt protocol for communication with Neo4j graph database over TCP Installation: ------------- [](#installation) ``` composer require anshu-krishna/neo4j-bolt ``` Requirements: ------------- [](#requirements) - PHP >= 8.1 - Neo4j (with Bolt version 4.4, 4.3, 4.2 or 4.1) **Note: All examples use the Neo4j 'Example Movie Database'** Example: -------- [](#example) ``` require_once "vendor/autoload.php"; use Krishna\Neo4j\{AuthToken, BoltMaker}; use Krishna\Neo4j\Protocol\Reply\Success; // Create Bolt $bolt = (new BoltMaker( auth: AuthToken::basic('neo4j', 'neo4j') ))->makeBolt(); echo 'Running Bolt version:', $bolt::VERSION, ''; // Run Query $run = $bolt->query(message; exit(0); } echo roles); echo person->properties['born']} {$roles} {$i->movie['title']} {$i->movie['year']} ROW; } echo ''; ``` **For specifc BOLT version:** Use the `useVersion()` in `BoltMaker` to set upto 4 versions in order of preference. ``` $bolt = (new BoltMaker(auth: AuthToken::basic('neo4j', 'neo4j'))) ->useVersion(E_Version::V4_2, E_Version::V4_1) ->makeBolt(); var_dump($bolt::VERSION); ``` **Debug Logging:** Pass a `Logger` object in `BoltMaker` for protocol debug logs. ``` $bolt = (new BoltMaker( auth: AuthToken::basic('neo4j', 'neo4j'), logger: new Logger(rowSize: 20) ))->makeBolt(); ``` Output: ``` Write [Handshake]: 60 60 b0 17 00 00 04 04 00 00 03 04 00 00 02 04 00 00 01 04 Read [Handshake]: 00 00 04 04 Write [Hello]: 00 01 b1 00 01 01 a4 8a 75 73 65 72 5f 61 67 65 6e 74 89 4b 42 6f 6c 74 2f 31 2e 30 86 73 63 68 65 6d 65 85 62 61 73 69 63 89 70 72 69 6e 63 69 70 61 6c 85 6e 65 6f 34 6a 8b 63 72 65 64 65 6e 74 69 61 6c 73 85 6e 65 6f 34 6a 00 00 Read [Hello = Success]: b1 70 a3 86 73 65 72 76 65 72 8b 4e 65 6f 34 6a 2f 34 2e 34 2e 35 8d 63 6f 6e 6e 65 63 74 69 6f 6e 5f 69 64 87 62 6f 6c 74 2d 31 38 85 68 69 6e 74 73 a0 Write [Goodbye]: 00 01 b0 00 01 02 00 00 ``` To start logging after creating a `Bolt` protocol: ``` $bolt = (new BoltMaker( auth: AuthToken::basic('neo4j', 'neo4j') ))->makeBolt(); // Start logging $bolt->logger = new Logger; // Execute quries here // Stop logging $bolt->logger = null; ``` Protocol functions: ------------------- [](#protocol-functions) - Run a query ``` function query( string $query, array $parameters = [], bool $autoResetOnFaiure = true, array $bookmarks = [], int $tx_timeout = -1, ?array $tx_metadata = null, bool $readMode = false, ?string $db = null ): I_Reply; ``` - Pull results ``` function pull(int $count = -1, int $qid = -1); /* qid is query id */ ``` - Disconnect ``` function disconnect(): void; ``` - Reset connection ``` function reset(): I_Reply; ``` - Start a transaction ``` function beginTransaction( array $bookmarks = [], int $tx_timeout = -1, ?array $tx_metadata = null, bool $readMode = false, ?string $db = null ): I_Reply; ``` - Commit transaction ``` function commit(): I_Reply; ``` - Rollback transaction ``` function rollback(): I_Reply; ``` - Get last query metadata ``` function getQueryMeta(): ?I_Reply; ``` - Check if last query was valid ``` function queryValid(): bool; ``` - Check if last query has more results ``` function moreResults(): bool; ``` - Discard results ``` function discard(int $count = -1, int $qid = -1): ?I_Reply; /* qid is query id */ ``` **Only in `Bolt` >= 4.3** - Send route message ``` function route(array $routing, array $bookmarks, ?string $db = null): I_Reply; ``` ### Health Score 25 — LowBetter than 37% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity6 Limited adoption so far Community7 Small or concentrated contributor base Maturity58 Maturing project, gaining track record Bus Factor1 Top contributor holds 100% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~5 days Total 3 Last Release 1339d ago Major Versions 1.0.1 → 2.02022-09-12 ### Community Maintainers ![](https://www.gravatar.com/avatar/5c583afac6200755c7e2326c965ef0fcc382f4f7448f9459af6732358fc0b7fb?d=identicon)[anshu-krishna](/maintainers/anshu-krishna) --- Top Contributors [![anshu-krishna](https://avatars.githubusercontent.com/u/4680045?v=4)](https://github.com/anshu-krishna "anshu-krishna (41 commits)") --- Tags boltbolt41bolt42bolt43bolt44databasedatabase-driverdrivergraphdatabaseneo4jphp81databaseSocketneo4jbolt ### Embed Badge ![Health badge](/badges/anshu-krishna-neo4j-bolt/health.svg) ``` [![Health](https://phpackages.com/badges/anshu-krishna-neo4j-bolt/health.svg)](https://phpackages.com/packages/anshu-krishna-neo4j-bolt) ``` ### Alternatives [stefanak-michal/bolt PHP library to provide connectivity to graph database over TCP socket with Bolt specification 79655.8k8](/packages/stefanak-michal-bolt)[vinelab/neoeloquent Laravel wrapper for the Neo4j graph database REST interface 65393.1k1](/packages/vinelab-neoeloquent)[graphaware/neo4j-common Common Utilities library for Neo4j 24876.2k24](/packages/graphaware-neo4j-common)[neo4j/neo4j-bundle Symfony integration for Neo4j 8272.1k](/packages/neo4j-neo4j-bundle)[ulobby/neoeloquent Laravel wrapper for the Neo4j graph database REST interface 4473.4k](/packages/ulobby-neoeloquent)[heydavid713/neo4jphp Wrapper for the Neo4j graph database REST interface 12106.5k10](/packages/heydavid713-neo4jphp) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)