<?php
/**
* @package Grav\Common\Data
*
* @copyright Copyright (c) 2015 - 2025 Trilby Media, LLC. All rights reserved.
* @license MIT License; see LICENSE file for details.
*/
namespace Grav\Common\Data;
use ArrayAccess;
use Countable;
use DateTime;
use Grav\Common\Config\Config;
use Grav\Common\Grav;
use Grav\Common\Language\Language;
use Grav\Common\Security;
use Grav\Common\User\Interfaces\UserInterface;
use Grav\Common\Utils;
use Grav\Common\Yaml;
use Grav\Framework\Flex\Interfaces\FlexObjectInterface;
use Traversable;
use function count;
use function is_array;
use function is_bool;
use function is_float;
use function is_int;
use function is_string;
/**
* Class Validation
* @package Grav\Common\Data
*/
class Validation
{
/**
* Validate value against a blueprint field definition.
*
* @param mixed $value
* @param array $field
* @return array
*/
public static function validate($value, array $field)
{
if (!isset($field['type'])) {
$field['type'] = 'text';
}
$validate = (array)($field['validate'] ?? null);
$validate_type = $validate['type'] ?? null;
$required = $validate['required'] ?? false;
$type = $validate_type ?? $field['type'];
$required = $required && ($validate_type !== 'ignore');
// If value isn't required, we will stop validation if empty value is given.
if ($required !== true && ($value === null || $value === '' || empty($value) || (($field['type'] === 'checkbox' || $field['type'] === 'switch') && $value == false))) {
return [];
}
// Get language class.
$language = Grav::instance()['language'];
$name = ucfirst($field['label'] ?? $field['name']);
$message = (string) isset($field['validate']['message'])
? $language->translate($field['validate']['message'])
: $language->translate('GRAV.FORM.INVALID_INPUT') . ' "' . $language->translate($name) . '"';
// Validate type with fallback type text.
$method = 'type' . str_replace('-', '_', $type);
// If this is a YAML field validate/filter as such
if (isset($field['yaml']) && $field['yaml'] === true) {
$method = 'typeYaml';
}
$messages = [];
$success = method_exists(__CLASS__, $method) ? self::$method($value, $validate, $field) : true;
if (!$success) {
$messages[$field['name']][] = $message;
}
// Check individual rules.
foreach ($validate as $rule => $params) {
$method = 'validate' . ucfirst(str_replace('-', '_', $rule));
if (method_exists(__CLASS__, $method)) {
$success = self::$method($value, $params);
if (!$success) {
$messages[$field['name']][] = $message;
}
}
}
return $messages;
}
/**
* @param mixed $value
* @param array $field
* @return array
*/
public static function checkSafety($value, array $field)
{
$messages = [];
$type = $field['validate']['type'] ?? $field['type'] ?? 'text';
$options = $field['xss_check'] ?? [];
if ($options === false || $type === 'unset') {
return $messages;
}
if (!is_array($options)) {
$options = [];
}
$name = ucfirst($field['label'] ?? $field['name'] ?? 'UNKNOWN');
/** @var UserInterface $user */
$user = Grav::instance()['user'] ?? null;
/** @var Config $config */
$config = Grav::instance()['config'];
$xss_whitelist = $config->get('security.xss_whitelist', 'admin.super');
// Get language class.
/** @var Language $language */
$language = Grav::instance()['language'];
if (!static::authorize($xss_whitelist, $user)) {
$defaults = Security::getXssDefaults();
$options += $defaults;
$options['enabled_rules'] += $defaults['enabled_rules'];
if (!empty($options['safe_protocols'])) {
$options['invalid_protocols'] = array_diff($options['invalid_protocols'], $options['safe_protocols']);
}
if (!empty($options['safe_tags'])) {
$options['dangerous_tags'] = array_diff($options['dangerous_tags'], $options['safe_tags']);
}
if (is_string($value)) {
$violation = Security::detectXss($value, $options);
if ($violation) {
$messages[$name][] = $language->translate(['GRAV.FORM.XSS_ISSUES', $language->translate($name)], null, true);
}
} elseif (is_array($value)) {
$violations = Security::detectXssFromArray($value, "{$name}.", $options);
if ($violations) {
$messages[$name][] = $language->translate(['GRAV.FORM.XSS_ISSUES', $language->translate($name)], null, true);
}
}
}
return $messages;
}
/**
* Checks user authorisation to the action.
*
* @param string|string[] $action
* @param UserInterface|null $user
* @return bool
*/
public static function authorize($action, UserInterface $user = null)
{
if (!$user) {
return false;
}
$action = (array)$action;
foreach ($action as $a) {
// Ignore 'admin.super' if it's not the only value to be checked.
if ($a === 'admin.super' && count($action) > 1 && $user instanceof FlexObjectInterface) {
continue;
}
if ($user->authorize($a)) {
return true;
}
}
return false;
}
/**
* Filter value against a blueprint field definition.
*
* @param mixed $value
* @param array $field
* @return mixed Filtered value.
*/
public static function filter($value, array $field)
{
$validate = (array)($field['filter'] ?? $field['validate'] ?? null);
// If value isn't required, we will return null if empty value is given.
if (($value === null || $value === '') && empty($validate['required'])) {
return null;
}
if (!isset($field['type'])) {
$field['type'] = 'text';
}
$type = $field['filter']['type'] ?? $field['validate']['type'] ?? $field['type'];
$method = 'filter' . ucfirst(str_replace('-', '_', $type));
// If this is a YAML field validate/filter as such
if (isset($field['yaml']) && $field['yaml'] === true) {
$method = 'filterYaml';
}
if (!method_exists(__CLASS__, $method)) {
$method = isset($field['array']) && $field['array'] === true ? 'filterArray' : 'filterText';
}
return self::$method($value, $validate, $field);
}
/**
* HTML5 input: text
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeText($value, array $params, array $field)
{
if (!is_string($value) && !is_numeric($value)) {
return false;
}
$value = (string)$value;
if (!empty($params['trim'])) {
$value = trim($value);
}
$value = preg_replace("/\r\n|\r/um", "\n", $value);
$len = mb_strlen($value);
$min = (int)($params['min'] ?? 0);
if ($min && $len < $min) {
return false;
}
$multiline = isset($params['multiline']) && $params['multiline'];
$max = (int)($params['max'] ?? ($multiline ? 65536 : 2048));
if ($max && $len > $max) {
return false;
}
$step = (int)($params['step'] ?? 0);
if ($step && ($len - $min) % $step === 0) {
return false;
}
if (!$multiline && preg_match('/\R/um', $value)) {
return false;
}
return true;
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return string
*/
protected static function filterText($value, array $params, array $field)
{
if (!is_string($value) && !is_numeric($value)) {
return '';
}
$value = (string)$value;
if (!empty($params['trim'])) {
$value = trim($value);
}
return preg_replace("/\r\n|\r/um", "\n", $value);
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return string|null
*/
protected static function filterCheckbox($value, array $params, array $field)
{
$value = (string)$value;
$field_value = (string)($field['value'] ?? '1');
return $value === $field_value ? $value : null;
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return array|array[]|false|string[]
*/
protected static function filterCommaList($value, array $params, array $field)
{
return is_array($value) ? $value : preg_split('/\s*,\s*/', $value, -1, PREG_SPLIT_NO_EMPTY);
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return bool
*/
public static function typeCommaList($value, array $params, array $field)
{
if (!isset($params['max'])) {
$params['max'] = 2048;
}
return is_array($value) ? true : self::typeText($value, $params, $field);
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return array|array[]|false|string[]
*/
protected static function filterLines($value, array $params, array $field)
{
return is_array($value) ? $value : preg_split('/\s*[\r\n]+\s*/', $value, -1, PREG_SPLIT_NO_EMPTY);
}
/**
* @param mixed $value
* @param array $params
* @return string
*/
protected static function filterLower($value, array $params)
{
return mb_strtolower($value);
}
/**
* @param mixed $value
* @param array $params
* @return string
*/
protected static function filterUpper($value, array $params)
{
return mb_strtoupper($value);
}
/**
* HTML5 input: textarea
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeTextarea($value, array $params, array $field)
{
if (!isset($params['multiline'])) {
$params['multiline'] = true;
}
return self::typeText($value, $params, $field);
}
/**
* HTML5 input: password
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typePassword($value, array $params, array $field)
{
if (!isset($params['max'])) {
$params['max'] = 256;
}
return self::typeText($value, $params, $field);
}
/**
* HTML5 input: hidden
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeHidden($value, array $params, array $field)
{
return self::typeText($value, $params, $field);
}
/**
* Custom input: checkbox list
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeCheckboxes($value, array $params, array $field)
{
// Set multiple: true so checkboxes can easily use min/max counts to control number of options required
$field['multiple'] = true;
return self::typeArray((array) $value, $params, $field);
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return array|null
*/
protected static function filterCheckboxes($value, array $params, array $field)
{
return self::filterArray($value, $params, $field);
}
/**
* HTML5 input: checkbox
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeCheckbox($value, array $params, array $field)
{
$value = (string)$value;
$field_value = (string)($field['value'] ?? '1');
return $value === $field_value;
}
/**
* HTML5 input: radio
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeRadio($value, array $params, array $field)
{
return self::typeArray((array) $value, $params, $field);
}
/**
* Custom input: toggle
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeToggle($value, array $params, array $field)
{
if (is_bool($value)) {
$value = (int)$value;
}
return self::typeArray((array) $value, $params, $field);
}
/**
* Custom input: file
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeFile($value, array $params, array $field)
{
return self::typeArray((array)$value, $params, $field);
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return array
*/
protected static function filterFile($value, array $params, array $field)
{
return (array)$value;
}
/**
* HTML5 input: select
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeSelect($value, array $params, array $field)
{
return self::typeArray((array) $value, $params, $field);
}
/**
* HTML5 input: number
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeNumber($value, array $params, array $field)
{
if (!is_numeric($value)) {
return false;
}
$value = (float)$value;
$min = 0;
if (isset($params['min'])) {
$min = (float)$params['min'];
if ($value < $min) {
return false;
}
}
if (isset($params['max'])) {
$max = (float)$params['max'];
if ($value > $max) {
return false;
}
}
if (isset($params['step'])) {
$step = (float)$params['step'];
// Count of how many steps we are above/below the minimum value.
$pos = ($value - $min) / $step;
$pos = round($pos, 10);
return is_int(static::filterNumber($pos, $params, $field));
}
return true;
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return float|int
*/
protected static function filterNumber($value, array $params, array $field)
{
return (string)(int)$value !== (string)(float)$value ? (float)$value : (int)$value;
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return string
*/
protected static function filterDateTime($value, array $params, array $field)
{
$format = Grav::instance()['config']->get('system.pages.dateformat.default');
if ($format) {
$converted = new DateTime($value);
return $converted->format($format);
}
return $value;
}
/**
* HTML5 input: range
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeRange($value, array $params, array $field)
{
return self::typeNumber($value, $params, $field);
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return float|int
*/
protected static function filterRange($value, array $params, array $field)
{
return self::filterNumber($value, $params, $field);
}
/**
* HTML5 input: color
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeColor($value, array $params, array $field)
{
return (bool)preg_match('/^\#[0-9a-fA-F]{3}[0-9a-fA-F]{3}?$/u', $value);
}
/**
* HTML5 input: email
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeEmail($value, array $params, array $field)
{
if (empty($value)) {
return false;
}
if (!isset($params['max'])) {
$params['max'] = 320;
}
$values = !is_array($value) ? explode(',', preg_replace('/\s+/', '', $value)) : $value;
foreach ($values as $val) {
if (!(self::typeText($val, $params, $field) && strpos($val, '@', 1))) {
return false;
}
}
return true;
}
/**
* HTML5 input: url
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeUrl($value, array $params, array $field)
{
if (!isset($params['max'])) {
$params['max'] = 2048;
}
return self::typeText($value, $params, $field) && filter_var($value, FILTER_VALIDATE_URL);
}
/**
* HTML5 input: datetime
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeDatetime($value, array $params, array $field)
{
if ($value instanceof DateTime) {
return true;
}
if (!is_string($value)) {
return false;
}
if (!isset($params['format'])) {
return false !== strtotime($value);
}
$dateFromFormat = DateTime::createFromFormat($params['format'], $value);
return $dateFromFormat && $value === date($params['format'], $dateFromFormat->getTimestamp());
}
/**
* HTML5 input: datetime-local
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeDatetimeLocal($value, array $params, array $field)
{
return self::typeDatetime($value, $params, $field);
}
/**
* HTML5 input: date
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeDate($value, array $params, array $field)
{
if (!isset($params['format'])) {
$params['format'] = 'Y-m-d';
}
return self::typeDatetime($value, $params, $field);
}
/**
* HTML5 input: time
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeTime($value, array $params, array $field)
{
if (!isset($params['format'])) {
$params['format'] = 'H:i';
}
return self::typeDatetime($value, $params, $field);
}
/**
* HTML5 input: month
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeMonth($value, array $params, array $field)
{
if (!isset($params['format'])) {
$params['format'] = 'Y-m';
}
return self::typeDatetime($value, $params, $field);
}
/**
* HTML5 input: week
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeWeek($value, array $params, array $field)
{
if (!isset($params['format']) && !preg_match('/^\d{4}-W\d{2}$/u', $value)) {
return false;
}
return self::typeDatetime($value, $params, $field);
}
/**
* Custom input: array
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeArray($value, array $params, array $field)
{
if (!is_array($value)) {
return false;
}
if (isset($field['multiple'])) {
if (isset($params['min']) && count($value) < $params['min']) {
return false;
}
if (isset($params['max']) && count($value) > $params['max']) {
return false;
}
$min = $params['min'] ?? 0;
if (isset($params['step']) && (count($value) - $min) % $params['step'] === 0) {
return false;
}
}
// If creating new values is allowed, no further checks are needed.
$validateOptions = $field['validate']['options'] ?? null;
if (!empty($field['selectize']['create']) || $validateOptions === 'ignore') {
return true;
}
$options = $field['options'] ?? [];
$use = $field['use'] ?? 'values';
if ($validateOptions) {
// Use custom options structure.
foreach ($options as &$option) {
$option = $option[$validateOptions] ?? null;
}
unset($option);
$options = array_values($options);
} elseif (empty($field['selectize']) || empty($field['multiple'])) {
$options = array_keys($options);
}
if ($use === 'keys') {
$value = array_keys($value);
}
return !($options && array_diff($value, $options));
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return array|null
*/
protected static function filterFlatten_array($value, $params, $field)
{
$value = static::filterArray($value, $params, $field);
return is_array($value) ? Utils::arrayUnflattenDotNotation($value) : null;
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return array|null
*/
protected static function filterArray($value, $params, $field)
{
$values = (array) $value;
$options = isset($field['options']) ? array_keys($field['options']) : [];
$multi = $field['multiple'] ?? false;
if (count($values) === 1 && isset($values[0]) && $values[0] === '') {
return null;
}
if ($options) {
$useKey = isset($field['use']) && $field['use'] === 'keys';
foreach ($values as $key => $val) {
$values[$key] = $useKey ? (bool) $val : $val;
}
}
if ($multi) {
foreach ($values as $key => $val) {
if (is_array($val)) {
$val = implode(',', $val);
$values[$key] = array_map('trim', explode(',', $val));
} else {
$values[$key] = trim($val);
}
}
}
$ignoreEmpty = isset($field['ignore_empty']) && Utils::isPositive($field['ignore_empty']);
$valueType = $params['value_type'] ?? null;
$keyType = $params['key_type'] ?? null;
if ($ignoreEmpty || $valueType || $keyType) {
$values = static::arrayFilterRecurse($values, ['value_type' => $valueType, 'key_type' => $keyType, 'ignore_empty' => $ignoreEmpty]);
}
return $values;
}
/**
* @param array $values
* @param array $params
* @return array
*/
protected static function arrayFilterRecurse(array $values, array $params): array
{
foreach ($values as $key => &$val) {
if ($params['key_type']) {
switch ($params['key_type']) {
case 'int':
$result = is_int($key);
break;
case 'string':
$result = is_string($key);
break;
default:
$result = false;
}
if (!$result) {
unset($values[$key]);
}
}
if (is_array($val)) {
$val = static::arrayFilterRecurse($val, $params);
if ($params['ignore_empty'] && empty($val)) {
unset($values[$key]);
}
} else {
if ($params['value_type'] && $val !== '' && $val !== null) {
switch ($params['value_type']) {
case 'bool':
if (Utils::isPositive($val)) {
$val = true;
} elseif (Utils::isNegative($val)) {
$val = false;
} else {
// Ignore invalid bool values.
$val = null;
}
break;
case 'int':
$val = (int)$val;
break;
case 'float':
$val = (float)$val;
break;
case 'string':
$val = (string)$val;
break;
case 'trim':
$val = trim($val);
break;
}
}
if ($params['ignore_empty'] && ($val === '' || $val === null)) {
unset($values[$key]);
}
}
}
return $values;
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return bool
*/
public static function typeList($value, array $params, array $field)
{
if (!is_array($value)) {
return false;
}
if (isset($field['fields'])) {
foreach ($value as $key => $item) {
foreach ($field['fields'] as $subKey => $subField) {
$subKey = trim($subKey, '.');
$subValue = $item[$subKey] ?? null;
self::validate($subValue, $subField);
}
}
}
return true;
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return array
*/
protected static function filterList($value, array $params, array $field)
{
return (array) $value;
}
/**
* @param mixed $value
* @param array $params
* @return array
*/
public static function filterYaml($value, $params)
{
if (!is_string($value)) {
return $value;
}
return (array) Yaml::parse($value);
}
/**
* Custom input: ignore (will not validate)
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeIgnore($value, array $params, array $field)
{
return true;
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return mixed
*/
public static function filterIgnore($value, array $params, array $field)
{
return $value;
}
/**
* Input value which can be ignored.
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeUnset($value, array $params, array $field)
{
return true;
}
/**
* @param mixed $value
* @param array $params
* @param array $field
* @return null
*/
public static function filterUnset($value, array $params, array $field)
{
return null;
}
// HTML5 attributes (min, max and range are handled inside the types)
/**
* @param mixed $value
* @param bool $params
* @return bool
*/
public static function validateRequired($value, $params)
{
if (is_scalar($value)) {
return (bool) $params !== true || $value !== '';
}
return (bool) $params !== true || !empty($value);
}
/**
* @param mixed $value
* @param string $params
* @return bool
*/
public static function validatePattern($value, $params)
{
return (bool) preg_match("`^{$params}$`u", $value);
}
// Internal types
/**
* @param mixed $value
* @param mixed $params
* @return bool
*/
public static function validateAlpha($value, $params)
{
return ctype_alpha($value);
}
/**
* @param mixed $value
* @param mixed $params
* @return bool
*/
public static function validateAlnum($value, $params)
{
return ctype_alnum($value);
}
/**
* @param mixed $value
* @param mixed $params
* @return bool
*/
public static function typeBool($value, $params)
{
return is_bool($value) || $value == 1 || $value == 0;
}
/**
* @param mixed $value
* @param mixed $params
* @return bool
*/
public static function validateBool($value, $params)
{
return is_bool($value) || $value == 1 || $value == 0;
}
/**
* @param mixed $value
* @param mixed $params
* @return bool
*/
protected static function filterBool($value, $params)
{
return (bool) $value;
}
/**
* @param mixed $value
* @param mixed $params
* @return bool
*/
public static function validateDigit($value, $params)
{
return ctype_digit($value);
}
/**
* @param mixed $value
* @param mixed $params
* @return bool
*/
public static function validateFloat($value, $params)
{
return is_float(filter_var($value, FILTER_VALIDATE_FLOAT));
}
/**
* @param mixed $value
* @param mixed $params
* @return float
*/
protected static function filterFloat($value, $params)
{
return (float) $value;
}
/**
* @param mixed $value
* @param mixed $params
* @return bool
*/
public static function validateHex($value, $params)
{
return ctype_xdigit($value);
}
/**
* Custom input: int
*
* @param mixed $value Value to be validated.
* @param array $params Validation parameters.
* @param array $field Blueprint for the field.
* @return bool True if validation succeeded.
*/
public static function typeInt($value, array $params, array $field)
{
$params['step'] = max(1, (int)($params['step'] ?? 0));
return self::typeNumber($value, $params, $field);
}
/**
* @param mixed $value
* @param mixed $params
* @return bool
*/
public static function validateInt($value, $params)
{
return is_numeric($value) && (int)$value == $value;
}
/**
* @param mixed $value
* @param mixed $params
* @return int
*/
protected static function filterInt($value, $params)
{
return (int)$value;
}
/**
* @param mixed $value
* @param mixed $params
* @return bool
*/
public static function validateArray($value, $params)
{
return is_array($value) || ($value instanceof ArrayAccess && $value instanceof Traversable && $value instanceof Countable);
}
/**
* @param mixed $value
* @param mixed $params
* @return array
*/
public static function filterItem_List($value, $params)
{
return array_values(array_filter($value, static function ($v) {
return !empty($v);
}));
}
/**
* @param mixed $value
* @param mixed $params
* @return bool
*/
public static function validateJson($value, $params)
{
return (bool) (@json_decode($value));
}
}