Invoice Number Sequence — PHP Composer Package for Gapless, Audit-Proof Invoice Numbering

Gapless invoice numbering for PHP: 26 presets, 11 pattern tokens, 6 reset policies, and an auditor that finds gaps and duplicates in the numbers you already issued.

Install

composer require ledgerkit/invoice-sequence

Files

Get the complete version $60

This page is the working piece. The full pack has everything below.

26 numbering presets, one composer require, and an auditor that reads the numbers you have already issued and names every gap and duplicate — while they are still fixable.

Measured on this shelf in 2026-08: a competing paid PHP package on the same shelf lists at USD 60 right now. The yardstick you can check without trusting us is inside the file: open src/ and count — 26 presets, 11 tokens, 6 reset

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