alexpts/simple-validator

# simple-validator

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Simple validator for validate accos arrays.

#### Install
`composer require alexpts/simple-validator`

#### Example

```php
$body = (array)$this->request->getParsedBody();

$validator = new Validator;

// shot format
$errors = $validator->validate($body, [
    'parentId' => ['int', 'betweenInt:0:99999'],
    'name' => ['string', 'min:3'],
    'slug' => ['string', 'min:3', 'max:120'],
    'sort' => ['int']
]);

// full format
$errors = $validator->validate($body, [
    'parentId' => ['int', ['betweenInt' => [0, 99999]] ],
    'name' => ['string', ['min' => [3]] ],
    'slug' => ['string', ['min' => [3]], ['max' => [120]] ],
    'sort' => ['int']
]);

// validate if exists
$errors = $validator->validateIfExists($body, [
    'name' => ['string', ['min' => [3]] ],
    'sort' => ['int'] // field not passed, not validate
]);

// deep attributes
$errors = $validator->validate($body, [
    'user' => ['array', 'min:3'],
    'user.name' => ['string', 'min:3'],
    'user.age' => ['int'],
]);

$errors = $validator->validateIfExists($body, [
    'user' => ['array', 'min:3'],
    'user.name' => ['string', 'min:3'],
    'user.age' => ['int'],
]);
```


#### Validators:

##### string
The field under validation must be string

##### int
The field under validation must be integer

##### float
The field under validation must be float

##### array
The field under validation must be array

##### required
Required field

##### betweenInt:min:max
Int from range [min, max]

##### betweenFloat:min:max
Float from range [min, max]

##### bool
The field under validation must be boolean

##### alpha
The field under validation must be entirely alphabetic characters

##### alphaDash
The field under validation may have alpha-numeric characters, as well as dashes and underscores

##### alphaNum
The field under validation must be entirely alpha-numeric characters

##### date
The field under validation must be a valid date according to the strtotime PHP function

##### dateTime
Value instance of \DateTime object

##### inArray
Check value in array

##### min
Min length fot string, min value for number, min count for array

##### max
Max length fot string, max value for number, max count for array

##### email
The field under validation must be simple email string

#### Custom validator
You can add custom validator via method

```php
public function registerRule(string $name, callable $handler): self
```