Product Decisions This Supports
- Build-vs-buy for a grouping/segmentation primitive. This package solves a narrow, well-bounded problem: bucket a list of PHP objects by one or more criteria (property, closure/callable, or composite key). Treat this as an explicit buy-vs-build call rather than an accidental dependency. The realistic answer for most teams is build — Laravel’s
Collection::groupBy() or a ~50-line internal helper covers the surface — and this repo is best used as a reference design for that helper.
- Feature scoping for reporting and analytics surfaces. Grouping is the mechanical core of most “break this down by X” features: revenue by plan tier, tickets by assignee/priority, orders by region-and-month, sessions by user, events by day. Deciding whether grouping semantics are centralized or re-implemented per feature is a real architectural product decision that affects whether the numbers shown to customers stay consistent.
- Consistency of grouping semantics across teams. Multi-criteria grouping, custom comparators, and null/mixed-key handling are exactly where ad hoc
foreach/array_reduce code diverges between teams and produces “why don’t these two dashboards match?” bugs. Standardizing on one small, tested grouping helper is a cheap way to eliminate a whole class of data-discrepancy support tickets.
- Roadmap input on segmentation/cohort features. If cohorting, customer segmentation, or digest-style “group notifications per user” sits on the roadmap, grouping utilities become a shared dependency for 3–5 features. That justifies ~1 engineer-day of internal investment — but not adoption of an unmaintained third-party package.
- Risk and dependency-governance decisions. Zero stars, zero dependents, a single maintainer, and a last release in May 2022 is a clear signal: do not put this on a critical path. The product decision it most directly supports is “copy the pattern, own the code.”
- Use cases where it fits if adopted at all: internal admin tooling, one-off exports/CSV builders, background jobs that batch records by tenant or user, notification digesting, A/B bucketing by a user attribute, and test fixtures. All low-blast-radius, non-customer-critical paths.
When to Consider This Package
Consider it when:
- The need is internal tooling or a non-critical path, and the cost of the dependency failing is a broken report, not a broken checkout.
- You are on a Laravel/PHP codebase and want a pattern for multi-criteria grouping to standardize internally — read the source, then vendor or re-implement it under your own tests.
- Your team is comfortable vetting and forking a few hundred lines of BSD-3 code and accepts ownership of it.
- You need multi-key grouping (e.g., by region and month, or by tenant and status) and want to prevent each team from inventing its own key-composition convention.
Look elsewhere — or build in-house — when:
- You’re on Laravel.
Illuminate\Support\Collection::groupBy() already accepts a callback and returns keyed collections; a closure returning a composite key covers most of this package’s surface. Adding a dependency here is hard to justify to a reviewer.
- You need a maintenance or security commitment. Last release 2022-05-25, no dependents, no ecosystem validation — no CVE response, no PHP-version guarantee for future upgrades, and a bus factor of one.
- Grouping is on a hot path. High-cardinality grouping over large datasets needs attention to memory and key hashing that a tiny general-purpose utility likely hasn’t been benchmarked for; validate before committing.
- You need strict, documented semantics for null keys, object identity vs. value equality, key ordering, and stable output — you will have to define and test these yourself, which means you’re effectively owning a fork anyway.
- Procurement/compliance requires active maintenance, SBOM hygiene, or vendor support — this fails that bar outright.
Gate before any adoption: check the PHP version constraint against your runtime, confirm the repo isn’t archived, read every line (it’s small), and pin the commit if you vendor it.
How to Pitch It (Stakeholders)
For executives (one paragraph): This is a tiny open-source utility for grouping PHP objects by one or more criteria — the plumbing behind “break this down by region,” “group these orders by customer,” and “batch these notifications per user.” It is not a platform decision. It has no community traction, no downstream adopters, and no release since 2022, so I do not recommend taking it as a production dependency. My recommendation is to spend roughly one engineer-day building a small internal grouping helper inspired by it, with our own tests and ownership. That gives us consistent grouping semantics across reporting features, removes a recurring source of “the numbers don’t match” bugs, and carries zero supply-chain risk. Net cost is negligible; net benefit is standardizing something we currently re-implement per feature.
For engineering (the ask): The package’s API surface is small — group by property, by callable, or by composite key. Rather than depend on an unmaintained repo with no dependents, allocate one day to (a) document our grouping conventions — null handling, composite-key composition, object identity vs. value equality, output ordering — and (b) ship a tested internal helper, reusing this package’s approach and BSD-3-licensed code where useful. Laravel’s groupBy covers the single-key case; the helper exists to standardize multi-key and edge-case behavior. If any team wants to adopt the package directly in internal tooling in the meantime, that’s acceptable provided it’s pinned, vendored, and kept off any customer-critical path.
Decision requested: Approve ~1 engineer-day for an internal grouping helper and a conventions doc; decline third-party adoption as a platform dependency.