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Vendor janisvepris Package zpl-builder-php Short Description A simple PHP library for building ZPL (Zebra Programming Language) label payloads. License
MIT
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A small PHP 8.3+ library that generates ZPL II (Zebra Programming Language) label payloads via a fluent builder API. No runtime dependencies beyond PHP itself.
Status: work in progress — the public API is unstable until 1.0 and minor releases may include breaking changes. See CHANGELOG.md for the per-version breakdown.
Installation
Supported PHP versions: 8.3, 8.4, 8.5.
Quick example
Send the resulting string to a Zebra printer over its preferred transport (raw TCP on port 9100, USB, serial, etc.).
Features
Fluent builder with one method per ZPL command, named after the command's purpose (fieldOrigin, changeFont, barcodeCode128, …).
Typed enums for ZPL parameters (Orientation, Justify, Code128Mode, Font, Encoding, …) instead of bare strings.
Constructor-time validation on all command value objects — out-of-range numeric inputs throw a typed RangeException subclass before the printer ever sees them.
Auto-escape of ^ and ~ in field data via ^FH so user content can't accidentally be interpreted as commands.
Escape hatch: ->raw('…') for any ZPL fragment the builder doesn't yet model.
Subclassable — no class is final, so downstream consumers can add their own fluent methods or command value objects.
Escape hatch for unsupported commands
The library doesn't yet have dedicated methods for every ZPL command. For anything missing, pass a literal fragment through raw():
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