Recent changes
Wednesday November 04 2026
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Reading path for software engineers Updated Markdown page
The software engineering pages in a sensible order, with four shorter paths for the evaluator, the architect, the operator and the reviewer or contributor, and the deeper documents to read after each step.
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Software engineers: start here Updated Markdown page
Where software engineers start who evaluate, architect, operate, review or contribute to Exponential as a system. The system in one paragraph, your first hour, five engineering rules, and a map of every page for…
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Static analysis and code style Updated Markdown page
How Exponential checks code without running it - PHPStan at level 1 against a baseline of inherited findings, PHP_CodeSniffer with the project's own style and sniffs (no PHP 7+ type declarations, PHP 8.0 compatibility)…
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Handling technical debt Updated Markdown page
How technical debt is found, recorded and reduced in Exponential - the known gaps sections of the standards, the PHPStan baseline, checks that fail only on new problems, deprecations without removal dates, plain-file…
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The template engine and the design chain Updated Markdown page
How Exponential renders HTML - the eZTemplate engine that compiles .tpl files to PHP, operators and functions registered from settings, fetch functions as the only data access, the design chain and override rules that…
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Testing strategy Updated Markdown page
How Exponential is tested and how to test your own changes - the layers from syntax checks and static analysis to DB-less PHPUnit suites, database tests, live-installation tests, design and quality tests, benchmarks and…
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Velocity persistent workers Updated Markdown page
How Exponential Velocity runs PHP - the parent, the warm-up, the zygote and the persistent worker pool, how the pool is sized and when a worker is replaced, what is reset between requests and what is not, which user…
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Version numbers and immutable tags Updated Markdown page
The two release rules every Exponential engineer must know - the last position of a version keeps counting (0.0.4.9 is followed by 0.0.4.10), and a published tag or release is never moved, deleted, re-cut or replaced…
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Writing portable SQL Updated Markdown page
How to write queries that run on every database Exponential supports - escaping and casting, limits as parameters, the dialect differences of each driver (row limits, ids, concatenation, MD5, bitwise operators, joined…
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7x, the first sponsor Updated Markdown page
7x is the first sponsor of the Exponential Project and of the Exponential Foundation - what the sources say about 7x's funding of the project with time and resources, its contributions, and why other sponsors are needed…
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Billing, receipts and tax Updated Markdown page
What the sources say about paying for a sponsorship - GitHub's billing, receipts, fees and invoice option, the limited information GitHub shares with sponsored accounts, the Foundation's tax statement - and what to ask…
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Other ways to give money Updated Markdown page
Ways to fund 7x and the Exponential Foundation besides GitHub Sponsors - PayPal, Patreon, Venmo, Cash App, the Foundation's donation page and buying services - each with its published source.
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Sponsor FAQ Updated Markdown page
Short answers to common sponsor questions - which page to use, minimum amounts, monthly versus one time, public or private, fees, invoices, tax, changing or cancelling, and what a sponsorship does and does not buy.
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How sponsors are recognized Updated Markdown page
The recognition that the two GitHub Sponsors listings offer by tier - profile badges, shoutouts, README and website listings, release notes and announcements - plus GitHub's public or private choice and the project's…
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Sponsoring 7x on GitHub Updated Markdown page
The GitHub Sponsors page of 7x (se7enxweb) - what 7x says it offers sponsors, every tier as listed on 18 October 2026 from $2 a month to large contracts, how to choose a tier, and what the tiers promise and do not…
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Sponsoring as a company Updated Markdown page
How companies and organizations sponsor 7x and the Exponential Foundation - sponsoring from an organization account, invoices and fees, choosing tiers for business needs, recognition, internal approval and combining…
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Sponsoring the Exponential Foundation Updated Markdown page
The GitHub Sponsors page of the Exponential Foundation (exponentialcms) - what the Foundation says it focuses on, every tier as listed on 18 October 2026, the Foundation's own donation options and its tax statement, and…
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Sponsors: start here Updated Markdown page
The landing page for sponsors of Exponential. Why sustaining funding matters, the two GitHub Sponsors pages (7x and the Exponential Foundation - two organizations with different missions), what sponsorship funds, how to…
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Two organizations, two sponsor pages Updated Markdown page
Why Exponential has two GitHub Sponsors pages - 7x (se7enxweb) and the Exponential Foundation (exponentialcms) - how their missions differ, what each sponsorship supports, and how to choose between them or sponsor both.
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What sponsorship funds Updated Markdown page
What money given to 7x and to the Exponential Foundation pays for, in the organizations' own words - maintenance, releases, PHP support, security, documentation, extensions, infrastructure, community - and what the…