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Example code of webservco/form

Informations about the package form

webservco/form

A PHP component/library. Please see webservco/sandbox for an example project using these types of components.

HTML forms with filters and validators, and error messages for both the form and each field.

Installation

Usage

Build the form in a factory. Each controller then gets its own instance.

In the controller:

In the template, $form->getErrors() has the form errors and $form->getField('name')->getErrors() has the errors for one field.

Contracts

Interface Implementation Purpose
Contract\FormInterface Service\HtmlPostForm (extends Service\AbstractForm) Reads POST data, filters and validates every field.
Contract\FormFieldInterface Service\FormField One field: value, settings, filters, validators and errors.
Contract\FormFilterInterface Service\Filter\TrimFilter, StripTagsFilter, NumberFilter Changes the value before validation. NumberFilter keeps only digits.
Contract\FormValidatorInterface Service\Validator\RequiredValidator, MinimumLengthValidator, MaximumLengthValidator, EmailAddressValidator Checks the value and gives back its error when the check fails.
Contract\FormFactoryInterface your factory Creates the form.

Namespaces are relative to WebServCo\Form\.

Notes

Form-level filters run before the field's own filters, and form-level validators run before the field's own validators. Every field gets all of them, and the length validators skip empty fields that aren't required.

A request that isn't POST gets a form error with code 405, and the form isn't marked as sent. An array in the POST data where a field expects a single value is rejected with a form error.

StripTagsFilter cleans input, but it doesn't make output safe. Escape values in templates as well.

Development

License

MIT

All versions of form with dependencies

PHP Build Version
Package Version
Requires php Version ^8.4
fig/http-message-util Version ^1
psr/http-message Version ^2
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