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https://github.com/phpexpertsinc/datatypevalidator

An easy to use data type validator (both strict and fuzzy). Laravel-like.
https://github.com/phpexpertsinc/datatypevalidator

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An easy to use data type validator (both strict and fuzzy). Laravel-like.

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# DataTypeValidator

[![TravisCI](https://travis-ci.org/phpexpertsinc/DataTypeValidator.svg?branch=master)](https://travis-ci.org/phpexpertsinc/DataTypeValidator)
[![Maintainability](https://api.codeclimate.com/v1/badges/5d56aa8b847dce751598/maintainability)](https://codeclimate.com/github/phpexpertsinc/DataTypeValidator/maintainability)
[![Test Coverage](https://api.codeclimate.com/v1/badges/5d56aa8b847dce751598/test_coverage)](https://codeclimate.com/github/phpexpertsinc/DataTypeValidator/test_coverage)

DataTypeValidator is a PHP Experts, Inc., Project designed for easy data type validation.

It supports both traditional, fuzzy, PHP data types (e.g., "1.0" can be both a float, int, and string)
and strict data type validations ('1' is only a string, 1.0 is only a float, etc.).

## Installation

Via Composer

```bash
composer require phpexperts/datatype-validator
```

## Usage

```php
// 1. Pick a Type Checker (IsAFuzzyDataType or IsAStrictDataType).
// * IsAFuzzyDataType tries its best to emulate PHP's `==`.
// * IsAStrictDataType observes PHP's `strict_types=1` rules.
$validator = new DataValidator(new IsAStrictDataType());

// There are two powerful mechanisms out of the box:
// 2. It is easy to validate any data type dynamically, without a ton of if statements.

$validator->isType('asdf', 'string'); // true or false.
$validator->assertIsType(1, 'int'); // null or throws InvalidDataTypeException

// 3. You can also validate arrays:

$data = [
'name' => 'Cheyenne',
'age' => 22,
'birthday' => Carbon::parse('1996-12-04 15:15:15'),
'daysOld' => 8194.35,
'today' => Carbon::now(),
'sayHi' => function () { return 'Hi!'; },
];

$rules = [
'name' => 'string',
'age' => 'int',
'birthday' => 'Carbon',
'daysOld' => 'float',
'today' => 'Carbon\Carbon',
'sayHi' => 'callable',
];

$validator->validate($data, $rules);

// 4. DataValidator::validate() will return `true` on success or throw
// an `InvalidDataTypeException` that contains an array of errors:

$data = [
'name' => 'Cheyenne',
'age' => '22',
'birthday' => '1996-12-04 15:15:15',
];

try {
$validator->validate($data, $rules);
} catch (InvalidDataTypeException $e) {
print_r($e->getReasons());

/* Output:
array:2 [
0 => "age is not a valid int"
1 => "birthday is not a valid Carbon"
]
*/
}

// 5. It can validate objects based on their short name or full name.
$data = [
'yesterday' => \Carbon\Carbon::parse('2019-05-11'),
'tomorrow' => \Carbon\Carbon::parse('2019-05-13'),
];

$validator->validate($data, [
'yesterday' => '\Carbon\Carbon',
'tomorrow' => 'Carbon',
]);

```

## Benchmarks
```bash
phpbench run --report=aggregate
```

| benchmark | subject | set | revs | its | mem_peak | best | mean | mode | worst | stdev | rstdev | diff |
|------------------------|----------------|-----|------|-----|------------|----------|----------|----------|----------|---------|--------|-------|
| DataTypeValidatorBench | benchValidator | 0 | 1000 | 5 | 1,421,504b | 52.561μs | 53.824μs | 54.211μs | 54.648μs | 0.769μs | 1.43% | 3.00x |
| DataTypeValidatorBench | benchNative | 0 | 1000 | 5 | 1,357,368b | 20.470μs | 24.246μs | 21.822μs | 30.204μs | 3.833μs | 15.81% | 1.00x |

# Use cases

PHPExperts\DataTypeValidator\DataTypeValidator
✔ Can bulk validate a data array
✔ Will return the name of the data validator logic
✔ Will return an array of invalid keys with explanations
✔ Will silently ignore data not in the rules
✔ Will silently ignore nullable rules with no data
✔ Data cannot be null by default
✔ Any data type that starts with a '?' is nullable
✔ Any data type that ends with '[]' is an array of X
✔ Will allow an empty array of something
✔ Will allow a nullable array of something
✔ Will throw a logic exception if a non string rule is given

PHPExperts\DataTypeValidator\DataTypeValidator: Assertions
✔ Will assert a value is a bool
✔ Will assert a value is an int
✔ Will assert a value is a float
✔ Will assert a value is a string
✔ Will assert a value is an array
✔ Will assert a value is an object
✔ Will assert a value is a callable
✔ Will assert a value is a resource
✔ Will assert an array of something
✔ Will assert an object by its short name
✔ Will assert an object by its full name

PHPExperts\DataTypeValidator\DataTypeValidator: Data Type Checks
✔ Will validate bools strictly
✔ Will validate ints strictly
✔ Will validate floats strictly
✔ Will validate strings strictly
✔ Will validate arrays strictly
✔ Will validate objects
✔ Will validate callables
✔ Will validate resources
✔ Will validate objects by their short name
✔ Will validate objects by their full name
✔ Can validate bools loosely
✔ Can validate ints loosely
✔ Can validate floats loosely
✔ Can validate strings loosely
✔ Can validate arrays loosely
✔ Will validate arrays of something

PHPExperts\DataTypeValidator\IsAFuzzyDataType
✔ Will return true for valid values
✔ Will return false for invalid values
✔ Will match short classes
✔ Will match specific classes
✔ Will work with an array of something

PHPExperts\DataTypeValidator\IsAStrictDataType
✔ Will return true for valid values
✔ Will return false for invalid values
✔ Will match short classes
✔ Will match specific classes
✔ Will work with an array of something

## Testing

```bash
phpunit
```

# Contributors

[Theodore R. Smith](https://www.phpexperts.pro/])
GPG Fingerprint: 4BF8 2613 1C34 87AC D28F 2AD8 EB24 A91D D612 5690
CEO: PHP Experts, Inc.

## License

MIT license. Please see the [license file](LICENSE) for more information.