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Package validation
Short Description Attribute-based validation compiled to a reflection-free validator. Put #[NotBlank]/#[Email]/#[Length]/#[Pattern]/#[Matches] on a #[Validate] form class; a build-time processor bakes the rules into Cache\Validation. At runtime, validate a populated form object -> a field=>error map, no reflection. PHP 5.3-safe runtime.
License Apache-2.0
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Informations about the package validation
genai/validation
Attribute-based validation, compiled to a reflection-free validator — the same
build-time pattern as genai/dto / genai/sql-mapper.
Define a form
The #[...] lines are build-only (comments on PHP 5.3).
Public or private fields. Public properties are read directly. A private/
protected field is read through a getXxx()/isXxx() getter (auto-detected at
compile; a private field without one is a build error) — same approach as #[Dto].
Note the runtime still has to populate the form, so a private field also needs a
setter or constructor; public props are the least ceremony.
Use it
bind() only touches declared fields (no mass-assignment of stray request keys)
and is reflection-free (it uses the same compiled field map as validate()). Put
trimming/normalization in the form's setters and it runs automatically on bind.
Inject GenAI\Validation\Validator — it's auto-wired (the package's bundle provides
the bean as the compiled Cache\Validation). One first message per field.
Constraints
| Attribute | Checks |
|---|---|
#[NotBlank] |
not null / not empty (after trim) |
#[Email] |
valid email |
#[Length(min, max)] |
string length in range (either bound optional) |
#[Pattern('/regex/')] |
matches a PCRE regex |
#[Matches('otherField')] |
equals another field (e.g. password confirm) |
All except #[NotBlank] pass an empty value, so combine #[NotBlank] #[Email]
to both require and format-check. Every constraint takes an optional
message: to override the default.
How it compiles
ValidationProcessor reads each #[Validate] class's property constraints (matched
via the Constraint base + IS_INSTANCEOF) and bakes a rule table into
Cache\Validation extends GenAI\Validation\Validator. At runtime the Validator
reads the form's public props and walks that table with a type switch — no
reflection. Cache\Validation is always generated (empty when no forms), so the
bean always resolves.
