Repository Analysis

guzzle/guzzle

Guzzle, an extensible PHP HTTP client

17.8 Moderate AI signal View on GitHub

Analysis Overview

This report presents the forensic synthetic code analysis of guzzle/guzzle, a PHP project with 23,453 GitHub stars. SynthScan v2.0 examined 39,617 lines of code across 108 source files, recording 910 pattern matches distributed across 2 syntactic categories. The overall adjusted score of 17.8 places this repository in the Moderate AI signal band.

The scanner applied 160+ deterministic lexical heuristics, multi-line block detectors, abstract syntax tree depth profilers, and a cross-file Jaccard similarity matrix to construct a statistically normalised synthetic code estimate. All matches are individually weighted by severity coefficient and contextual multiplier before summation, and the resulting headline score is temporally discounted to account for the repository's development history relative to the commercial emergence of large language model coding tooling (November 2022 onward).

17.8
Adjusted Score
17.8
Raw Score
100%
Time Factor
2026-07-13
Last Push
23.5K
Stars
PHP
Language
39.6K
Lines of Code
108
Files
910
Pattern Hits
2026-07-14
Scan Date
0.00
HC Hit Rate

What These Metrics Mean

Adjusted Score
Primary synthetic code indicator. Raw score normalised per 1,000 lines of code and multiplied by the temporal discount factor. This is the definitive comparative metric — use it to rank repositories by AI authorship density.
Raw Score
The unmodified sum of all severity-weighted, context-multiplied pattern match scores before temporal discounting. Reflects the absolute signal strength independent of when the repository was last active.
Time Factor
The temporal discount multiplier (0–100%) applied to the raw score. Repositories last updated before ChatGPT's launch (Nov 2022) receive a 5% factor. Full signal is only assigned to repositories active in the post-adoption era (Jan 2024+).
Pattern Hits
Total count of individual pattern matches across all files and categories. A high hit count with a low score may indicate a very large codebase with isolated AI snippets; a low count with a high score indicates dense, concentrated AI signatures.
HC Hit Rate
High+Critical pattern hits per file, averaged across the repository. This orthogonal signal catches repositories where a few files are densely packed with high-severity AI tells — a strong indicator even when the normalised score appears moderate due to codebase size.
Lines of Code / Files
Total lines and files analysed. The scanner examines 94 file extensions. These denominators are used to normalise the score, enabling fair comparison between repositories of vastly different sizes.

Score History

This chart maps the temporal evolution of the adjusted synthetic code score across successive scan runs. An upward trajectory indicates ongoing incorporation of AI-generated code or expanding LLM-assisted scaffolding; a stable or declining trajectory may reflect active human refactoring, code removal, or the adoption of stricter authorship policies. The dashed secondary line (right axis) independently tracks total raw pattern hit count, which can diverge from the normalised score when codebase size changes significantly between scans.

Severity Breakdown

Classifies detected patterns by their diagnostic confidence and structural impact. CRITICAL patterns (coefficient 10) represent definitive synthetic signatures — hallucinated imports, explicit LLM attribution metadata — virtually never produced by human authors. HIGH (5) indicates strong structural tells such as cross-file repetition or cross-linguistic idioms. MEDIUM (2) covers recognisable conversational padding and AI-specific vocabulary. LOW (1) captures subtle indicators like tautological comments and generic boilerplate that require density to carry independent signal.

CRITICAL 0HIGH 0MEDIUM 0LOW 910

Directory Score Breakdown

This horizontal bar chart decomposes the repository's raw synthetic code score by top-level directory, allowing you to pinpoint precisely which modules or components carry the highest AI authorship density. Directories with disproportionately high scores relative to their size warrant targeted manual review: concentrated AI signatures often trace back to mass-generated configuration layers, auto-ported test suites, LLM-scaffolded boilerplate classes, or entire subsystems authored under heavy copilot assistance. Use this view to prioritise your human code-review effort.

Pattern Findings

The scanner identified 910 distinct pattern matches across 2 syntactic categories. Each entry below represents a discrete location in the source code where the engine recorded a statistically significant AI authorship indicator. Expand any category row to inspect the individual file paths, line numbers, code snippets, and the lexical context (CODE, COMMENT, or STRING) in which each match was detected.

Reading the findings table: The Severity column indicates the diagnostic confidence level (CRITICAL / HIGH / MEDIUM / LOW). The Context column identifies whether the match occurred inside executable code, an inline comment, or a string literal — comment-context matches receive a ×1.5 weight because LLMs systematically over-annotate. The ⚡ bolt icon marks clustered matches: three or more patterns within a 10-line window, each receiving an additional ×1.5 density multiplier as dense clusters constitute far stronger evidence of synthetic authorship than isolated hits.

Hyper-Verbose Identifiers907 hits · 702 pts
SeverityFileLineSnippetContext
LOWtests/HandlerStackTest.php27 public function testCanSetDifferentHandlerAfterConstruction()CODE
LOWtests/HandlerStackTest.php60 public function testUnshiftsInReverseOrder()CODE
LOWtests/HandlerStackTest.php76 public function testCanRemoveMiddlewareByInstance()CODE
LOWtests/HandlerStackTest.php91 public function testCanRemoveMiddlewareByCallableStringName()CODE
LOWtests/HandlerStackTest.php105 public function testCanRemoveMiddlewareByCallableStringInstance()CODE
LOWtests/HandlerStackTest.php119 public function testRemovePrefersNameWhenStringIsAlsoCallable()CODE
LOWtests/HandlerStackTest.php173 public function testEnsuresHandlerExistsByName()CODE
LOWtests/HandlerStackTest.php198 public function testPicksUpCookiesFromRedirects()CODE
LOWtests/UtilsTest.php188 public function testNormalizeHeaderKeysHandlesNumericKeys()CODE
LOWtests/UtilsTest.php196 public function testNormalizeProtocolsAcceptsLowercaseProtocols()CODE
LOWtests/UtilsTest.php201 public function testNormalizeProtocolsRejectsUppercaseProtocols()CODE
LOWtests/UtilsTest.php427 public function testDecodesJsonAndThrowsOnError()CODE
LOWtests/UtilsTest.php434 public function testDecodesJsonAndThrowsOnErrorLegacy()CODE
LOWtests/UtilsTest.php444 public function testDecodesJsonAndThrowsOnInvalidDepth(int $depth)CODE
LOWtests/UtilsTest.php454 public function testDecodesJsonAndThrowsOnInvalidDepthLegacy(int $depth)CODE
LOWtests/UtilsTest.php20 public function testParsesHeadersFromLines()CODE
LOWtests/UtilsTest.php39 public function testParsesHeadersFromLinesWithMultipleLines()CODE
LOWtests/UtilsTest.php54 public function testChooseHandlerAcceptsPreferredTransportSharing(): voidCODE
LOWtests/UtilsTest.php77 public function testChooseHandlerAcceptsRequiredTransportSharing(): voidCODE
LOWtests/UtilsTest.php100 public function testChooseHandlerAcceptsDisabledTransportSharing(): voidCODE
LOWtests/UtilsTest.php114 public static function connectionCapOptionProvider(): iterableCODE
LOWtests/UtilsTest.php123 public function testChooseHandlerRejectsStreamRequestsWhenConnectionCapsAreConfigured(string $option): voidCODE
LOWtests/UtilsTest.php137 public function testChooseHandlerForwardsMultiplexNoneToTheCurlMultiHandler(): voidCODE
LOWtests/UtilsTest.php173 public function testProvidesDefaultCaBundler()CODE
LOWtests/UtilsTest.php387 public function testEnsuresNoProxyCheckHostIsSet()CODE
LOWtests/UtilsTest.php394 public function testEnsuresNoProxyCheckHostIsSetLegacy()CODE
LOWtests/UtilsTest.php407 public function testEncodesJsonAndThrowsOnError()CODE
LOWtests/UtilsTest.php414 public function testEncodesJsonAndThrowsOnErrorLegacy()CODE
LOWtests/UtilsTest.php466 private static function skipIfDefaultCurlHandlerIsUnavailable(): voidCODE
LOWtests/PrepareBodyMiddlewareTest.php33 public function testAddsContentLengthWhenMissingAndPossible($method, $body)CODE
LOWtests/PrepareBodyMiddlewareTest.php57 public function testPreservesCustomRequestWhenAddingContentLength()CODE
LOWtests/PrepareBodyMiddlewareTest.php111 public function testAddsTransferEncodingWhenNoContentLength()CODE
LOWtests/PrepareBodyMiddlewareTest.php136 public function testAddsContentTypeWhenMissingAndPossible()CODE
LOWtests/PrepareBodyMiddlewareTest.php194 public function testPreservesCustomRequestWhenAddingExpect()CODE
LOWtests/PrepareBodyMiddlewareTest.php218 public function testIgnoresIfExpectIsPresent()CODE
LOWtests/RetryMiddlewareTest.php16 public function testRetriesWhenDeciderReturnsTrue()CODE
LOWtests/RetryMiddlewareTest.php44 public function testDoesNotRetryWhenDeciderReturnsFalse()CODE
LOWtests/RetryMiddlewareTest.php78 public function testUsesDefaultExponentialDelay()CODE
LOWtests/RetryMiddlewareTest.php100 public function testExponentialDelayIsDeprecated()CODE
LOWtests/MiddlewareTest.php25 public function testAddsCookiesToRequests()CODE
LOWtests/MiddlewareTest.php47 public function testThrowsExceptionOnHttpClientError()CODE
LOWtests/MiddlewareTest.php60 public function testThrowsExceptionOnHttpClientErrorLongBody()CODE
LOWtests/MiddlewareTest.php73 public function testThrowsExceptionOnHttpServerError()CODE
LOWtests/MiddlewareTest.php110 public function testNullContainerException()CODE
LOWtests/MiddlewareTest.php126 public function testTracksHistoryForFailures()CODE
LOWtests/MiddlewareTest.php201 public function testLogsRequestsAndResponses()CODE
LOWtests/MiddlewareTest.php215 public function testLogsRequestsAndResponsesCustomLevel()CODE
LOWtests/MiddlewareTest.php230 public function testLogsRequestsAndErrors()CODE
LOWtests/MessageFormatterTest.php17 public function testCreatesWithClfByDefault()CODE
LOWtests/RedirectMiddlewareTest.php39 public function testIgnoresWhenNoLocation()CODE
LOWtests/RedirectMiddlewareTest.php51 public function testRedirectsWithAbsoluteUri()CODE
LOWtests/RedirectMiddlewareTest.php69 public function testRedirectsWithRelativeUri()CODE
LOWtests/RedirectMiddlewareTest.php87 public function testRelativeRedirectPreservesCustomRequestAndUriImplementations()CODE
LOWtests/RedirectMiddlewareTest.php127 public function testTooManyRedirectsExceptionHasResponse()CODE
LOWtests/RedirectMiddlewareTest.php147 public function testEnsuresProtocolIsValid()CODE
LOWtests/RedirectMiddlewareTest.php182 public function testAddsRefererHeaderButClearsUserInfo()CODE
LOWtests/RedirectMiddlewareTest.php202 public function testAddsGuzzleRedirectHeader()CODE
LOWtests/RedirectMiddlewareTest.php229 public function testAddsGuzzleRedirectStatusHeader()CODE
LOWtests/RedirectMiddlewareTest.php258 public function testDoesNotAddRefererWhenGoingFromHttpsToHttp()CODE
LOWtests/RedirectMiddlewareTest.php275 public function testInvokesOnRedirectForRedirects()CODE
847 more matches not shown…
Over-Commented Block3 hits · 2 pts
SeverityFileLineSnippetContext
LOWsrc/Handler/CurlFactory.php1741 $headerAuth = self::curlProxyAuthorizationHeaderValues($conf);COMMENT
LOWsrc/Handler/CurlMultiHandler.php521 $version = $easy->request->getProtocolVersion();COMMENT
LOWsrc/Handler/CurlVersion.php21 // which PIPEWAIT is reliably effective.COMMENT