Phalcon filter

const FILTER_ABSINT = absint;
const FILTER_ALNUM = alnum;
const FILTER_ALPHA = alpha;
const FILTER_BOOL = bool;
const FILTER_EMAIL = email;
const FILTER_FLOAT = float;
const FILTER_INT = int;
const FILTER_LOWER = lower;
const FILTER_LOWERFIRST = lowerfirst;
const FILTER_REGEX = regex;
const FILTER_REMOVE = remove;
const FILTER_REPLACE = replace;
const FILTER_SPECIAL = special;
const FILTER_SPECIALFULL = specialfull;
const FILTER_STRING = string;
const FILTER_STRING_LEGACY = stringlegacy;
const FILTER_STRIPTAGS = striptags;
const FILTER_TRIM = trim;
const FILTER_UPPER = upper;
const FILTER_UPPERFIRST = upperfirst;
const FILTER_UPPERWORDS = upperwords;
const FILTER_URL = url;

/**
 * @var array
 */
protected $mapper;

/**
 * @var array
 */
protected $services;

public function __call( string $name, array $args );

public function __construct( array $mapper = [] );

public function get( string $name ): mixed;

public function has( string $name ): bool;

public function sanitize( mixed $value, mixed $sanitizers, bool $noRecursive = bool ): mixed;

public function set( string $name, mixed $service ): void;

protected function init( array $mapper ): void;

public function newInstance(): FilterInterface;

protected function getServices(): array;

public function sanitize( mixed $value, mixed $sanitizers, bool $noRecursive = bool ): mixed;

public function __invoke( mixed $input );

public function __invoke( mixed $input );

public function __invoke( mixed $input );

public function __invoke( mixed $input );

public function __invoke( mixed $input );

public function __invoke( mixed $input );

public function __invoke( mixed $input );

public function __invoke( string $input );

public function __invoke( string $input );

public function __invoke( mixed $input, mixed $pattern, mixed $replace );

public function __invoke( mixed $input, mixed $replace );

public function __invoke( mixed $input, mixed $from, mixed $to );

public function __invoke( mixed $input );

public function __invoke( mixed $input );

public function __invoke( string $input, int $flags = int ): string;

public function __invoke( mixed $input );

public function __invoke( string $input );

public function __invoke( string $input );

public function __invoke( string $input );

public function __invoke( string $input );

public function __invoke( string $input );

public function __invoke( mixed $input );

/**
 * @var array
 */
protected $combinedFieldsValidators;

/**
 * @var mixed
 */
protected $data;

/**
 * @var object|null
 */
protected $entity;

/**
 * @var array
 */
protected $filters;

/**
 * @var array
 */
protected $labels;

/**
 * @var Messages|null
 */
protected $messages;

/**
 * List of validators
 *
 * @var array
 */
protected $validators;

/**
 * Calculated values
 *
 * @var array
 */
protected $values;

public function __construct( array $validators = [] );

public function add( mixed $field, ValidatorInterface $validator ): ValidationInterface;

public function appendMessage( MessageInterface $message ): ValidationInterface;

public function bind( mixed $entity, mixed $data ): ValidationInterface;

public function getData(): mixed;

public function getEntity(): mixed;

public function getFilters( string $field = null ): mixed | null;

public function getLabel( mixed $field ): string;

public function getMessages(): Messages;

public function getValidators(): array;

public function getValue( string $field ): mixed | null;

public function getValueByData( mixed $data, string $field ): mixed | null;

public function getValueByEntity( mixed $entity, string $field ): mixed | null;

public function rule( mixed $field, ValidatorInterface $validator ): ValidationInterface;

public function rules( mixed $field, array $validators ): ValidationInterface;

public function setEntity( mixed $entity ): void;

public function setFilters( mixed $field, mixed $filters ): ValidationInterface;

public function setLabels( array $labels ): void;

public function setValidators( array $validators ): Validation;

public function validate( mixed $data = null, mixed $entity = null ): Messages | bool;

protected function preChecking( mixed $field, ValidatorInterface $validator ): bool;

/**
 * Message template
 *
 * @var string|null
 */
protected $template;

/**
 * Message templates
 *
 * @var array
 */
protected $templates;

/**
 * @var array
 */
protected $options;

public function __construct( array $options = [] );

public function getOption( string $key, mixed $defaultValue = null ): mixed;

public function getTemplate( string $field = null ): string;

public function getTemplates(): array;

public function hasOption( string $key ): bool;

public function messageFactory( Validation $validation, mixed $field, array $replacements = [] ): Message;

public function setOption( string $key, mixed $value ): void;

public function setTemplate( string $template ): ValidatorInterface;

public function setTemplates( array $templates ): ValidatorInterface;

abstract public function validate( Validation $validation, mixed $field ): bool;

protected function allowEmpty( mixed $field, mixed $value ): bool;

protected function checkArray( mixed $value, string $field ): mixed;

protected function prepareCode( string $field ): int;

protected function prepareLabel( Validation $validation, string $field ): mixed;

/**
 * @var array
 */
protected $validators;

public function getValidators(): array;

public function validate( Validation $validation, mixed $field ): bool;

public function add( mixed $field, ValidatorInterface $validator ): ValidationInterface;

public function appendMessage( MessageInterface $message ): ValidationInterface;

public function bind( mixed $entity, mixed $data ): ValidationInterface;

public function getEntity(): mixed;

public function getFilters( string $field = null ): mixed | null;

public function getLabel( string $field ): string;

public function getMessages(): Messages;

public function getValidators(): array;

public function getValue( string $field ): mixed | null;

public function rule( mixed $field, ValidatorInterface $validator ): ValidationInterface;

public function rules( string $field, array $validators ): ValidationInterface;

public function setFilters( string $field, mixed $filters ): ValidationInterface;

public function setLabels( array $labels ): void;

public function validate( mixed $data = null, mixed $entity = null ): Messages | bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\Alnum as AlnumValidator;

$validator = new Validation();

$validator->add(
    "username",
    new AlnumValidator(
        [
            "message" => ":field must contain only alphanumeric characters",
        ]
    )
);

$validator->add(
    [
        "username",
        "name",
    ],
    new AlnumValidator(
        [
            "message" => [
                "username" => "username must contain only alphanumeric characters",
                "name"     => "name must contain only alphanumeric characters",
            ],
        ]
    )
);

//
protected $template = Field :field must contain only letters and numbers;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\Alpha as AlphaValidator;

$validator = new Validation();

$validator->add(
    "username",
    new AlphaValidator(
        [
            "message" => ":field must contain only letters",
        ]
    )
);

$validator->add(
    [
        "username",
        "name",
    ],
    new AlphaValidator(
        [
            "message" => [
                "username" => "username must contain only letters",
                "name"     => "name must contain only letters",
            ],
        ]
    )
);

//
protected $template = Field :field must contain only letters;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\Between;

$validator = new Validation();

$validator->add(
    "price",
    new Between(
        [
            "minimum" => 0,
            "maximum" => 100,
            "message" => "The price must be between 0 and 100",
        ]
    )
);

$validator->add(
    [
        "price",
        "amount",
    ],
    new Between(
        [
            "minimum" => [
                "price"  => 0,
                "amount" => 0,
            ],
            "maximum" => [
                "price"  => 100,
                "amount" => 50,
            ],
            "message" => [
                "price"  => "The price must be between 0 and 100",
                "amount" => "The amount must be between 0 and 50",
            ],
        ]
    )
);

//
protected $template = Field :field must be within the range of :min to :max;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\Callback as CallbackValidator;
use Phalcon\Filter\Validation\Validator\Numericality as NumericalityValidator;

$validator = new Validation();

$validator->add(
    ["user", "admin"],
    new CallbackValidator(
        [
            "message" => "There must be only an user or admin set",
            "callback" => function($data) {
                if (!empty($data->getUser()) && !empty($data->getAdmin())) {
                    return false;
                }

                return true;
            }
        ]
    )
);

$validator->add(
    "amount",
    new CallbackValidator(
        [
            "callback" => function($data) {
                if (!empty($data->getProduct())) {
                    return new NumericalityValidator(
                        [
                            "message" => "Amount must be a number."
                        ]
                    );
                }
            }
        ]
    )
);

//
protected $template = Field :field must match the callback function;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\Confirmation;

$validator = new Validation();

$validator->add(
    "password",
    new Confirmation(
        [
            "message" => "Password doesn't match confirmation",
            "with"    => "confirmPassword",
        ]
    )
);

$validator->add(
    [
        "password",
        "email",
    ],
    new Confirmation(
        [
            "message" => [
                "password" => "Password doesn't match confirmation",
                "email"    => "Email doesn't match confirmation",
            ],
            "with" => [
                "password" => "confirmPassword",
                "email"    => "confirmEmail",
            ],
        ]
    )
);

//
protected $template = Field :field must be the same as :with;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

final protected function compare( string $a, string $b ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\CreditCard as CreditCardValidator;

$validator = new Validation();

$validator->add(
    "creditCard",
    new CreditCardValidator(
        [
            "message" => "The credit card number is not valid",
        ]
    )
);

$validator->add(
    [
        "creditCard",
        "secondCreditCard",
    ],
    new CreditCardValidator(
        [
            "message" => [
                "creditCard"       => "The credit card number is not valid",
                "secondCreditCard" => "The second credit card number is not valid",
            ],
        ]
    )
);

//
protected $template = Field :field is not valid for a credit card number;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\Date as DateValidator;

$validator = new Validation();

$validator->add(
    "date",
    new DateValidator(
        [
            "format"  => "d-m-Y",
            "message" => "The date is invalid",
        ]
    )
);

$validator->add(
    [
        "date",
        "anotherDate",
    ],
    new DateValidator(
        [
            "format" => [
                "date"        => "d-m-Y",
                "anotherDate" => "Y-m-d",
            ],
            "message" => [
                "date"        => "The date is invalid",
                "anotherDate" => "The another date is invalid",
            ],
        ]
    )
);

//
protected $template = Field :field is not a valid date;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\Digit as DigitValidator;

$validator = new Validation();

$validator->add(
    "height",
    new DigitValidator(
        [
            "message" => ":field must be numeric",
        ]
    )
);

$validator->add(
    [
        "height",
        "width",
    ],
    new DigitValidator(
        [
            "message" => [
                "height" => "height must be numeric",
                "width"  => "width must be numeric",
            ],
        ]
    )
);

//
protected $template = Field :field must be numeric;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\Email as EmailValidator;

$validator = new Validation();

$validator->add(
    "email",
    new EmailValidator(
        [
            "message" => "The e-mail is not valid",
        ]
    )
);

$validator->add(
    [
        "email",
        "anotherEmail",
    ],
    new EmailValidator(
        [
            "message" => [
                "email"        => "The e-mail is not valid",
                "anotherEmail" => "The another e-mail is not valid",
            ],
        ]
    )
);

//
protected $template = Field :field must be an email address;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\ExclusionIn;

$validator = new Validation();

$validator->add(
    "status",
    new ExclusionIn(
        [
            "message" => "The status must not be A or B",
            "domain"  => [
                "A",
                "B",
            ],
        ]
    )
);

$validator->add(
    [
        "status",
        "type",
    ],
    new ExclusionIn(
        [
            "message" => [
                "status" => "The status must not be A or B",
                "type"   => "The type must not be 1 or "
            ],
            "domain" => [
                "status" => [
                    "A",
                    "B",
                ],
                "type"   => [1, 2],
            ],
        ]
    )
);

//
protected $template = Field :field must not be a part of list: :domain;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\File as FileValidator;

$validator = new Validation();

$validator->add(
    "file",
    new FileValidator(
        [
            "maxSize"              => "2M",
            "messageSize"          => ":field exceeds the max file size (:size)",
            "allowedTypes"         => [
                "image/jpeg",
                "image/png",
            ],
            "messageType"          => "Allowed file types are :types",
            "maxResolution"        => "800x600",
            "messageMaxResolution" => "Max resolution of :field is :resolution",
            "messageFileEmpty"     => "File is empty",
            "messageIniSize"       => "Ini size is not valid",
            "messageValid"         => "File is not valid",
        ]
    )
);

$validator->add(
    [
        "file",
        "anotherFile",
    ],
    new FileValidator(
        [
            "maxSize" => [
                "file"        => "2M",
                "anotherFile" => "4M",
            ],
            "messageSize" => [
                "file"        => "file exceeds the max file size 2M",
                "anotherFile" => "anotherFile exceeds the max file size 4M",
            "allowedTypes" => [
                "file"        => [
                    "image/jpeg",
                    "image/png",
                ],
                "anotherFile" => [
                    "image/gif",
                    "image/bmp",
                ],
            ],
            "messageType" => [
                "file"        => "Allowed file types are image/jpeg and image/png",
                "anotherFile" => "Allowed file types are image/gif and image/bmp",
            ],
            "maxResolution" => [
                "file"        => "800x600",
                "anotherFile" => "1024x768",
            ],
            "messageMaxResolution" => [
                "file"        => "Max resolution of file is 800x600",
                "anotherFile" => "Max resolution of file is 1024x768",
            ],
        ]
    )
);

public function __construct( array $options = [] );

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\File\Size;

$validator = new Validation();

$validator->add(
    "file",
    new Size(
        [
            "maxSize"              => "2M",
            "messageSize"          => ":field exceeds the max file size (:size)",
        ]
    )
);

$validator->add(
    [
        "file",
        "anotherFile",
    ],
    new FileValidator(
        [
            "maxSize" => [
                "file"        => "2M",
                "anotherFile" => "4M",
            ],
            "messageSize" => [
                "file"        => "file exceeds the max file size 2M",
                "anotherFile" => "anotherFile exceeds the max file size 4M",
            ],
        ]
    )
);

/**
 * Empty is empty
 *
 * @var string
 */
protected $messageFileEmpty = Field :field must not be empty;

/**
 * File exceeds the file size set in PHP configuration
 *
 * @var string
 */
protected $messageIniSize = File :field exceeds the maximum file size;

/**
 * File is not valid
 *
 * @var string
 */
protected $messageValid = Field :field is not valid;

public function checkUpload( Validation $validation, string $field ): bool;

public function checkUploadIsEmpty( Validation $validation, string $field ): bool;

public function checkUploadIsValid( Validation $validation, string $field ): bool;

public function checkUploadMaxSize( Validation $validation, string $field ): bool;

public function getFileSizeInBytes( string $size ): double;

public function getMessageFileEmpty(): string;

public function getMessageIniSize(): string;

public function getMessageValid(): string;

public function isAllowEmpty( Validation $validation, string $field ): bool;

public function setMessageFileEmpty( string $message ): void;

public function setMessageIniSize( string $message ): void;

public function setMessageValid( string $message ): void;

protected function checkIsUploadedFile( string $name ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\File\MimeType;

$validator = new Validation();

$validator->add(
    "file",
    new MimeType(
        [
            "types" => [
                "image/jpeg",
                "image/png",
            ],
            "message" => "Allowed file types are :types"
        ]
    )
);

$validator->add(
    [
        "file",
        "anotherFile",
    ],
    new MimeType(
        [
            "types" => [
                "file"        => [
                    "image/jpeg",
                    "image/png",
                ],
                "anotherFile" => [
                    "image/gif",
                    "image/bmp",
                ],
            ],
            "message" => [
                "file"        => "Allowed file types are image/jpeg and image/png",
                "anotherFile" => "Allowed file types are image/gif and image/bmp",
            ]
        ]
    )
);

//
protected $template = File :field must be of type: :types;

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\File\Resolution\Equal;

$validator = new Validation();

$validator->add(
    "file",
    new Equal(
        [
            "resolution" => "800x600",
            "message"    => "The resolution of the field :field has to be equal :resolution",
        ]
    )
);

$validator->add(
    [
        "file",
        "anotherFile",
    ],
    new Equal(
        [
            "resolution" => [
                "file"        => "800x600",
                "anotherFile" => "1024x768",
            ],
            "message" => [
                "file"        => "Equal resolution of file has to be 800x600",
                "anotherFile" => "Equal resolution of file has to be 1024x768",
            ],
        ]
    )
);

//
protected $template = The resolution of the field :field has to be equal :resolution;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\File\Resolution\Max;

$validator = new Validation();

$validator->add(
    "file",
    new Max(
        [
            "resolution"      => "800x600",
            "message"  => "Max resolution of :field is :resolution",
            "included" => true,
        ]
    )
);

$validator->add(
    [
        "file",
        "anotherFile",
    ],
    new Max(
        [
            "resolution" => [
                "file"        => "800x600",
                "anotherFile" => "1024x768",
            ],
            "included" => [
                "file"        => false,
                "anotherFile" => true,
            ],
            "message" => [
                "file"        => "Max resolution of file is 800x600",
                "anotherFile" => "Max resolution of file is 1024x768",
            ],
        ]
    )
);

//
protected $template = File :field exceeds the maximum resolution of :resolution;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\File\Resolution\Min;

$validator = new Validation();

$validator->add(
    "file",
    new Min(
        [
            "resolution" => "800x600",
            "message"    => "Min resolution of :field is :resolution",
            "included"   => true,
        ]
    )
);

$validator->add(
    [
        "file",
        "anotherFile",
    ],
    new Min(
        [
            "resolution" => [
                "file"        => "800x600",
                "anotherFile" => "1024x768",
            ],
            "included" => [
                "file"        => false,
                "anotherFile" => true,
            ],
            "message" => [
                "file"        => "Min resolution of file is 800x600",
                "anotherFile" => "Min resolution of file is 1024x768",
            ],
        ]
    )
);

//
protected $template = File :field can not have the minimum resolution of :resolution;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\File\Size;

$validator = new Validation();

$validator->add(
    "file",
    new Equal(
        [
            "size"     => "2M",
            "included" => true,
            "message"  => ":field exceeds the equal file size (:size)",
        ]
    )
);

$validator->add(
    [
        "file",
        "anotherFile",
    ],
    new Equal(
        [
            "size" => [
                "file"        => "2M",
                "anotherFile" => "4M",
            ],
            "included" => [
                "file"        => false,
                "anotherFile" => true,
            ],
            "message" => [
                "file"        => "file does not have the right file size",
                "anotherFile" => "anotherFile wrong file size (4MB)",
            ],
        ]
    )
);

/**
 * @var string|null
 */
protected $template = File :field does not have the exact :size file size;

public function validate( Validation $validation, mixed $field ): bool;

protected function getConditional( double $source, double $target, bool $included = bool );

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\File\Size;

$validator = new Validation();

$validator->add(
    "file",
    new Max(
        [
            "size"     => "2M",
            "included" => true,
            "message"  => ":field exceeds the max file size (:size)",
        ]
    )
);

$validator->add(
    [
        "file",
        "anotherFile",
    ],
    new Max(
        [
            "size" => [
                "file"        => "2M",
                "anotherFile" => "4M",
            ],
            "included" => [
                "file"        => false,
                "anotherFile" => true,
            ],
            "message" => [
                "file"        => "file exceeds the max file size 2M",
                "anotherFile" => "anotherFile exceeds the max file size 4M",
            ],
        ]
    )
);

/**
 * @var string|null
 */
protected $template = File :field exceeds the size of :size;

protected function getConditional( double $source, double $target, bool $included = bool );

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\File\Size;

$validator = new Validation();

$validator->add(
    "file",
    new Min(
        [
            "size"     => "2M",
            "included" => true,
            "message"  => ":field exceeds the min file size (:size)",
        ]
    )
);

$validator->add(
    [
        "file",
        "anotherFile",
    ],
    new Min(
        [
            "size" => [
                "file"        => "2M",
                "anotherFile" => "4M",
            ],
            "included" => [
                "file"        => false,
                "anotherFile" => true,
            ],
            "message" => [
                "file"        => "file exceeds the min file size 2M",
                "anotherFile" => "anotherFile exceeds the min file size 4M",
            ],
        ]
    )
);

/**
 * @var string|null
 */
protected $template = File :field can not have the minimum size of :size;

protected function getConditional( double $source, double $target, bool $included = bool );

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\Identical;

$validator = new Validation();

$validator->add(
    "terms",
    new Identical(
        [
            "accepted" => "yes",
            "message" => "Terms and conditions must be accepted",
        ]
    )
);

$validator->add(
    [
        "terms",
        "anotherTerms",
    ],
    new Identical(
        [
            "accepted" => [
                "terms"        => "yes",
                "anotherTerms" => "yes",
            ],
            "message" => [
                "terms"        => "Terms and conditions must be accepted",
                "anotherTerms" => "Another terms  must be accepted",
            ],
        ]
    )
);

//
protected $template = Field :field does not have the expected value;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\InclusionIn;

$validator = new Validation();

$validator->add(
    "status",
    new InclusionIn(
        [
            "message" => "The status must be A or B",
            "domain"  => ["A", "B"],
        ]
    )
);

$validator->add(
    [
        "status",
        "type",
    ],
    new InclusionIn(
        [
            "message" => [
                "status" => "The status must be A or B",
                "type"   => "The status must be 1 or 2",
            ],
            "domain" => [
                "status" => ["A", "B"],
                "type"   => [1, 2],
            ]
        ]
    )
);

//
protected $template = Field :field must be a part of list: :domain;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation\Validator\Ip as IpValidator;

$validator->add(
    "ip_address",
    new IpValidator(
        [
            "message"       => ":field must contain only ip addresses",
            "version"       => IP::VERSION_4 | IP::VERSION_6, // v6 and v4. The same if not specified
            "allowReserved" => false,   // False if not specified. Ignored for v6
            "allowPrivate"  => false,   // False if not specified
            "allowEmpty"    => false,
        ]
    )
);

$validator->add(
    [
        "source_address",
        "destination_address",
    ],
    new IpValidator(
        [
            "message" => [
                "source_address"      => "source_address must be a valid IP address",
                "destination_address" => "destination_address must be a valid IP address",
            ],
            "version" => [
                 "source_address"      => Ip::VERSION_4 | IP::VERSION_6,
                 "destination_address" => Ip::VERSION_4,
            ],
            "allowReserved" => [
                 "source_address"      => false,
                 "destination_address" => true,
            ],
            "allowPrivate" => [
                 "source_address"      => false,
                 "destination_address" => true,
            ],
            "allowEmpty" => [
                 "source_address"      => false,
                 "destination_address" => true,
            ],
        ]
    )
);

const VERSION_4 = FILTER_FLAG_IPV4;
const VERSION_6 = FILTER_FLAG_IPV6;

//
protected $template = Field :field must be a valid IP address;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\Numericality;

$validator = new Validation();

$validator->add(
    "price",
    new Numericality(
        [
            "message" => ":field is not numeric",
        ]
    )
);

$validator->add(
    [
        "price",
        "amount",
    ],
    new Numericality(
        [
            "message" => [
                "price"  => "price is not numeric",
                "amount" => "amount is not numeric",
            ]
        ]
    )
);

//
protected $template = Field :field does not have a valid numeric format;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\PresenceOf;

$validator = new Validation();

$validator->add(
    "name",
    new PresenceOf(
        [
            "message" => "The name is required",
        ]
    )
);

$validator->add(
    [
        "name",
        "email",
    ],
    new PresenceOf(
        [
            "message" => [
                "name"  => "The name is required",
                "email" => "The email is required",
            ],
        ]
    )
);

//
protected $template = Field :field is required;

public function __construct( array $options = [] );

public function validate( Validation $validation, mixed $field ): bool;

use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\Validator\Regex as RegexValidator;

$validator = new Validation();

$validator->add(
    "created_at",
    new RegexValidator(
        [
            "pattern" => "/^[0-9]{4}[-\/](0[1-9]|1[12])[-\/](0[1-9]|[12][0-9]|3[01])$/",
            "message" => "The creation date is invalid",
        ]
    )
);

$validator->add(
    [
        "created_at",
        "name",
    ],
    new RegexValidator(
        [
            "pattern" => [
                "created_at" => "/^[0-9]{4}[-\/](0[1-9]|1[12])[-\/](0[1-9]|[12][0-9]|3[01])$/",
                "name"       => "/^[a-z]$/",
            ],
            "message" => [
                "created_at" => "The creation date is invalid",
                "name"       => "The name is invalid",
            ]
        ]
    )
);