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Package rule
Short Description An expressive validation rule builder for Laravel.
License MIT
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Informations about the package rule
Rule
A simple Laravel package that provides an expressive alternative to building validation rules. It uses what you already know about validation with Laravel and builds on top of that.
Instead of this:
You'll be writing:
Which method is more easy to read or write is a matter of personal preference, so I'm not taking sides. However, using Rule offers two main advantages:
- Misstyped rule names, non existing rules or missing arguments will throw fatal errors. In contrast, Laravel's rules will fail silently and provide no information when you write 'reqiured' instead of 'required'.
- IDE suggestions and auto complete. Every rule is a real, documented method that your IDE can easily pick up. Coupled with Laravel IDE Helper, you'll rarely need to open the Validator docs.
Installation
-
Add the package to your composer.json file and run
composer update: -
Add
Fadion\Rule\RuleServiceProvider::classto yourconfig/app.phpfile, inside theprovidersarray. - Add a new alias:
'Rule' => Fadion\Rule\Facades\Rule::classto yourconfig/app.phpfile, inside thealiasesarray.
For Laravel 4, use version
1.0
Usage
If you've used Laravel's Validator, then you already know how to use Rule. It just changes the way you write rules, but the validation process remains exactly the same.
A complete validation example
Rules with parameters
Rule parameters are handled as simple method arguments. There can be one or more arguments, depending on the rule and some can be arrays too (like: in, not_in, mimes, etc.).
Exists and Unique
exists and unique are special cases, as they have a few defined and documented arguments, as well as dynamic ones for the where clauses.
Custom rules
Rule handles custom rules in the same way as the predefined ones. It even accepts parameters.
Array rule
Laravel's rule for validating an input as array is renamed to is_array(). The word "array" is reserved in PHP and can't be used as a method name, hence the rename.
Method names
Methods can be written as either snake_case (as Laravel accepts rule names) or as camelCase. Both cases behave exactly the same, so use whatever feels better.
So, the methods below are equivalent:
Attribute names
Laravel has an option to alias input names with custom attributes, as a way to build better error messages. Rule provides an easy way to create them.
Messages
There's no way that you start writing expressive rules, but keep messages as arrays. Rule will handle those too in a very elegant and easy to use way. Just add a message() method after the rule:
