protected function Iso8601StringConstraintValidatorBase::isIso8601String in Duration Field 3.0.x

Same name and namespace in other branches

1. 8.2 src/Plugin/Validation/Constraint/Iso8601StringConstraintValidatorBase.php \Drupal\duration_field\Plugin\Validation\Constraint\Iso8601StringConstraintValidatorBase::isIso8601String()

Test if a string is a valid ISO 8601 duration string.

Parameters

mixed $value: The item to check as an ISO 8601 duration string.

Return value

bool TRUE if the given value is a valid ISO 8601 duration string. FALSE if it is not.

2 calls to Iso8601StringConstraintValidatorBase::isIso8601String()

Iso8601StringConstraintValidator::validate in src/Plugin/Validation/Constraint/Iso8601StringConstraintValidator.php

PhpDateIntervalConstraintValidator::validate in src/Plugin/Validation/Constraint/PhpDateIntervalConstraintValidator.php

File

src/Plugin/Validation/Constraint/Iso8601StringConstraintValidatorBase.php, line 23

Class

Iso8601StringConstraintValidatorBase

Provides a base for validating ISO 8601 String constraints.

Namespace

Drupal\duration_field\Plugin\Validation\Constraint

Code

protected function isIso8601String($value) {
  if (is_string($value)) {
    return preg_match(Iso8601StringInterface::DURATION_STRING_PATTERN, $value);
  }
  return FALSE;
}