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<?php |
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/* |
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* This file is part of Respect/Validation. |
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* |
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* (c) Alexandre Gomes Gaigalas <[email protected]> |
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* |
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* For the full copyright and license information, please view the "LICENSE.md" |
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* file that was distributed with this source code. |
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*/ |
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namespace Respect\Validation\Rules; |
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use Respect\Validation\Exceptions\ComponentException; |
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class Length extends AbstractRule |
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{ |
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public $minValue; |
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public $maxValue; |
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public $inclusive; |
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public function __construct($min = null, $max = null, $inclusive = true) |
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{ |
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$this->minValue = $min; |
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$this->maxValue = $max; |
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$this->inclusive = $inclusive; |
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$paramValidator = new AnyOf(new NumericVal(), new NullType()); |
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if (!$paramValidator->validate($min)) { |
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throw new ComponentException( |
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sprintf('%s is not a valid numeric length', $min) |
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); |
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} |
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if (!$paramValidator->validate($max)) { |
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throw new ComponentException( |
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sprintf('%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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sprintf('%s cannot be less than %s for validation', $min, $max) |
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); |
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} |
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} |
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public function validate($input) |
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{ |
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$length = $this->extractLength($input); |
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return $this->validateMin($length) && $this->validateMax($length); |
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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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} |
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if (is_array($input) || $input instanceof \Countable) { |
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return count($input); |
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} |
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if (is_object($input)) { |
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return count(get_object_vars($input)); |
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} |
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if (is_int($input)) { |
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return mb_strlen((string) $input); |
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} |
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return false; |
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} |
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protected function validateMin($length) |
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{ |
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if (is_null($this->minValue)) { |
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return true; |
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} |
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if ($this->inclusive) { |
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return $length >= $this->minValue; |
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} |
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return $length > $this->minValue; |
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} |
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protected function validateMax($length) |
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{ |
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if (is_null($this->maxValue)) { |
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return true; |
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} |
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if ($this->inclusive) { |
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return $length <= $this->maxValue; |
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} |
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return $length < $this->maxValue; |
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} |
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} |
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Respect /
Validation
