/usr/share/php/Symfony/Component/Validator/ConstraintValidator.php is in php-symfony-validator 3.4.6+dfsg-1.
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/*
* 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;
use Symfony\Component\Validator\Context\ExecutionContextInterface;
/**
* Base class for constraint validators.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
abstract class ConstraintValidator implements ConstraintValidatorInterface
{
/**
* Whether to format {@link \DateTime} objects as RFC-3339 dates
* ("Y-m-d H:i:s").
*/
const PRETTY_DATE = 1;
/**
* Whether to cast objects with a "__toString()" method to strings.
*/
const OBJECT_TO_STRING = 2;
/**
* @var ExecutionContextInterface
*/
protected $context;
/**
* {@inheritdoc}
*/
public function initialize(ExecutionContextInterface $context)
{
$this->context = $context;
}
/**
* Returns a string representation of the type of the value.
*
* This method should be used if you pass the type of a value as
* message parameter to a constraint violation. Note that such
* parameters should usually not be included in messages aimed at
* non-technical people.
*
* @param mixed $value The value to return the type of
*
* @return string The type of the value
*/
protected function formatTypeOf($value)
{
return is_object($value) ? get_class($value) : gettype($value);
}
/**
* Returns a string representation of the value.
*
* This method returns the equivalent PHP tokens for most scalar types
* (i.e. "false" for false, "1" for 1 etc.). Strings are always wrapped
* in double quotes ("). Objects, arrays and resources are formatted as
* "object", "array" and "resource". If the $format bitmask contains
* the PRETTY_DATE bit, then {@link \DateTime} objects will be formatted
* as RFC-3339 dates ("Y-m-d H:i:s").
*
* Be careful when passing message parameters to a constraint violation
* that (may) contain objects, arrays or resources. These parameters
* should only be displayed for technical users. Non-technical users
* won't know what an "object", "array" or "resource" is and will be
* confused by the violation message.
*
* @param mixed $value The value to format as string
* @param int $format A bitwise combination of the format
* constants in this class
*
* @return string The string representation of the passed value
*/
protected function formatValue($value, $format = 0)
{
$isDateTime = $value instanceof \DateTimeInterface;
if (($format & self::PRETTY_DATE) && $isDateTime) {
if (class_exists('IntlDateFormatter')) {
$locale = \Locale::getDefault();
$formatter = new \IntlDateFormatter($locale, \IntlDateFormatter::MEDIUM, \IntlDateFormatter::SHORT);
// neither the native nor the stub IntlDateFormatter support
// DateTimeImmutable as of yet
if (!$value instanceof \DateTime) {
$value = new \DateTime(
$value->format('Y-m-d H:i:s.u e'),
$value->getTimezone()
);
}
return $formatter->format($value);
}
return $value->format('Y-m-d H:i:s');
}
if (is_object($value)) {
if (($format & self::OBJECT_TO_STRING) && method_exists($value, '__toString')) {
return $value->__toString();
}
return 'object';
}
if (is_array($value)) {
return 'array';
}
if (is_string($value)) {
return '"'.$value.'"';
}
if (is_resource($value)) {
return 'resource';
}
if (null === $value) {
return 'null';
}
if (false === $value) {
return 'false';
}
if (true === $value) {
return 'true';
}
return (string) $value;
}
/**
* Returns a string representation of a list of values.
*
* Each of the values is converted to a string using
* {@link formatValue()}. The values are then concatenated with commas.
*
* @param array $values A list of values
* @param int $format A bitwise combination of the format
* constants in this class
*
* @return string The string representation of the value list
*
* @see formatValue()
*/
protected function formatValues(array $values, $format = 0)
{
foreach ($values as $key => $value) {
$values[$key] = $this->formatValue($value, $format);
}
return implode(', ', $values);
}
}
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