php 2 composer 2 validation 2 input validation 2 php framework 2 PHP Library 2 array of objects 2 form validation 2 password validation 2 Symfony Validation 2 laravel validation 2 data validation 2 email validation 2 php forms 2 php validation 2 data integrity 2 input sanitizer 2 data processing 2 modern php 2 php oop 2 number validation 2 validation rules 2 object mapping 2 php best practices 2 phone validation 2 typed properties 2 PHP Package 2 php 8 2 dto validation 2 dto mapping 2 file validation 2 image validation 2 php types 2 validation library 2 custom validators 2 object validation 2 nested object validation 2 array validation 2 string validation 2 api validation 2 backend validation 2 php data integrity 2 php objects 2 php dto 2 php entity 2 validation core 2 validation engine 2 centralized validation 2 reusable validation 2 batch validation 2 associative validation 2 error normalization 2 validation handler 2 validation registry 2 extensible php 2 robust validation 2 developer productivity 2 enterprise php 2 php nested arrays 2 data consistency 2 validation utils 2 field validation 2 validation patterns 2 php packages 2 open source php 2 php validation bundle 2 form input validation 2 nested dto validation 2 array-object-validation 2 modern 2 object-validation 2 packagist 2 psr-4 2 validation-library 2 url validation 1 fluent validation 1 Rule set 1 fynix 1 php validation core 1 php validation engine 1 fynix php 1 conditional validation 1 cross field validation 1 closure validation 1 rule builder 1 ruleset validation 1 immutable validators 1 required if validation 1 prohibited if validation 1 enum validation 1 uuid validation 1 integer validation 1 decimal validation 1 boolean validation 1 regex validation 1 date validation 1 object graph validation 1 validation errors 1