Viewing file:  AbstractComparisonValidator.php (2.22 KB) -rw-r--r--
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Validator\Constraints;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
/**
* Provides a base class for the validation of property comparisons.
*
* @author Daniel Holmes <daniel@danielholmes.org>
*/
abstract class AbstractComparisonValidator extends ConstraintValidator
{
/**
* {@inheritDoc}
*/
public function validate($value, Constraint $constraint)
{
if (null === $value) {
return;
}
if (!$this->compareValues($value, $constraint->value)) {
$this->context->addViolation($constraint->message, array(
'{{ value }}' => $this->valueToString($constraint->value),
'{{ compared_value }}' => $this->valueToString($constraint->value),
'{{ compared_value_type }}' => $this->valueToType($constraint->value)
));
}
}
/**
* Returns a string representation of the type of the value.
*
* @param mixed $value
*
* @return string
*/
private function valueToType($value)
{
return is_object($value) ? get_class($value) : gettype($value);
}
/**
* Returns a string representation of the value.
*
* @param mixed $value
*
* @return string
*/
private function valueToString($value)
{
if (is_object($value) && method_exists($value, '__toString')) {
return (string) $value;
}
if ($value instanceof \DateTime) {
return $value->format('Y-m-d H:i:s');
}
return var_export($value, true);
}
/**
* Compares the two given values to find if their relationship is valid
*
* @param mixed $value1 The first value to compare
* @param mixed $value2 The second value to compare
*
* @return Boolean true if the relationship is valid, false otherwise
*/
abstract protected function compareValues($value1, $value2);
}
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