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Example code of gp/validator

Informations about the package validator

GP Validator Library

This library provides a robust validation engine to validate data inputs based on various rules. The library is modular and easily extensible, allowing you to create and use custom validation rules. which has various built in validation rules for common use cases (e.g., email, mobile number, numeric validation) also support for custom validation rules.

Table of Contents

Requirements

Installation

You can install gp_validator using Composer. Run the following command in your terminal:

Getting Started

After installation, you can start using the package by including the autoloader:

Features

Classes

Field

Methods

Method Description
getName() Returns the field's name.
getData() Returns the field's data.
getRules() Returns the validation rules associated with the field.
getErrors() Returns the errors for the field.
validate() Validates the field using the applied rules.
addRule(string $rule) Adds a validation rule to the field.
addError(string $error) Adds an error message to the field.

Fields

Methods

Method Description
addField(Field $field) Adds a single field to the collection.
addFields(Field ...$fields) Adds multiple fields to the collection.

ValidationEngine

Methods

Method Description
validate(Fields $fields) Validates all fields in the group.
validateField(Field $field) Validates a single field.

ValidationRule

Method

Method Description
validate(string $data, string &$msg): ?bool Validates the provided data and Returns resulthe method also populates
the $msg parameter with an error message if validation fails.

Usage

1. Creating a Validation Field

To validate a single field, create an instance of the Field class:

2. Validating a Single Field

Use the validate() method on a Field instance:

3. Grouping Fields for Validation

You can group multiple fields using the Fields class:

4. Validating All Fields in a Group

using the fields

Using the ValidationEngine

5. Built-in Validation Rules

The following validation rules are included in the library:

Rule Name Description
emailValidation Validates that the field contains a valid email.
mobileNumberValidation Validates that the field contains a valid mobile number in India.
landlineValidation Validates Indian landline numbers.
alphaSpaceValidation Validates that the field contains only alphabets and spaces.
isbnValidation Validates that the field contains a valid ISBN-10.
numericValidation Validates that the field contains a numeric value and optionally checks a range.
positiveNumberValidation Validates that the field contains a positive number.
regexValidation Validates data using a custom regular expression.
lengthValidation Validates the length of the data. Supports min and max length.
requiredValidation Validates that the field is not empty.

6. Creating Custom Validation Rules

To create a custom validation rule, implement the ValidationRule interface:

Then, apply the custom rule to a field:

Example

Here's a full example of validating multiple fields:

Contributing

Contributions are welcome! If you would like to contribute to gp_validator, please follow these steps:

License

This package is licensed under the MIT License. See the LICENSE file for more information.

Contact

For questions or issues, please reach out to the development team or open a ticket.

Author

All versions of validator with dependencies

PHP Build Version
Package Version
Requires php Version ^8.1
mockery/mockery Version ^1.6
gp/loader Version ^2.0.10
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