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<?php |
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/** |
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* Bluz Framework Component |
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* |
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* @copyright Bluz PHP Team |
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* @link https://github.com/bluzphp/framework |
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*/ |
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declare(strict_types=1); |
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namespace Bluz\Validator\Rule; |
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use Bluz\Validator\Exception\ComponentException; |
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use Countable; |
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/** |
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* Check for length in range between minimum and maximum values |
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* |
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* @package Bluz\Validator\Rule |
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*/ |
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class LengthRule extends AbstractCompareRule |
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{ |
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/** |
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* @var integer minimum value |
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*/ |
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protected $minValue; |
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/** |
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* @var integer maximum value |
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*/ |
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protected $maxValue; |
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/** |
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* @var bool |
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*/ |
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protected $inclusive = true; |
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/** |
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* Setup validation rule |
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* |
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* @param integer|null $min |
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* @param integer|null $max |
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* |
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* @throws \Bluz\Validator\Exception\ComponentException |
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*/ |
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public function __construct($min = null, $max = null) |
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{ |
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$this->minValue = $min; |
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$this->maxValue = $max; |
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if (!is_numeric($min) && !is_null($min)) { |
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throw new ComponentException( |
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__('"%s" is not a valid numeric length', $min) |
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); |
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} |
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if (!is_numeric($max) && !is_null($max)) { |
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throw new ComponentException( |
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__('"%s" is not a valid numeric length', $max) |
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); |
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} |
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if (!is_null($min) && !is_null($max) && $min > $max) { |
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throw new ComponentException( |
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__('"%s" cannot be less than "%s" for validation', $min, $max) |
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); |
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} |
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} |
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/** |
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* Check input data |
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* |
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* @param string $input |
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* |
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* @return bool |
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*/ |
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public function validate($input) : bool |
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{ |
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if (!$length = $this->extractLength($input)) { |
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return false; |
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} |
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return (is_null($this->minValue) || $this->less($this->minValue, $length)) |
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&& (is_null($this->maxValue) || $this->less($length, $this->maxValue)); |
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} |
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/** |
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* Extract length |
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* |
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* @param string|object $input |
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* |
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* @return integer|false |
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*/ |
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protected function extractLength($input) |
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{ |
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if (is_string($input)) { |
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return mb_strlen($input, mb_detect_encoding($input)); |
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} elseif (is_array($input) || $input instanceof Countable) { |
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return count($input); |
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} elseif (is_object($input)) { |
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return count(get_object_vars($input)); |
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} |
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return false; |
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} |
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/** |
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* Get error template |
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* |
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* @return string |
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*/ |
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public function getDescription() : string |
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{ |
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if (!$this->minValue) { |
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return __('must have a length lower than "%d"', $this->maxValue); |
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} |
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if (!$this->maxValue) { |
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return __('must have a length greater than "%d"', $this->minValue); |
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} |
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if ($this->minValue === $this->maxValue) { |
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return __('must have a length "%d"', $this->minValue); |
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} |
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return __('must have a length between "%d" and "%d"', $this->minValue, $this->maxValue); |
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} |
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} |
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bluzphp /
framework
