public function DurationServiceInterface::checkDurationInvalid in Duration Field 3.0.x
Same name and namespace in other branches
- 8.2 src/Service/DurationServiceInterface.php \Drupal\duration_field\Service\DurationServiceInterface::checkDurationInvalid()
- 8 src/Service/DurationServiceInterface.php \Drupal\duration_field\Service\DurationServiceInterface::checkDurationInvalid()
Checks if a given string is a valid ISO 8601 duration string.
Parameters
string $duration: The string whose format should be checked.
Return value
bool
- TRUE if the string is a valid ISO 8601 duration string
- FALSE if it's an invalid format
See also
http://en.wikipedia.org/wiki/Iso8601#Durations
1 method overrides DurationServiceInterface::checkDurationInvalid()
- DurationService::checkDurationInvalid in src/
Service/ DurationService.php - Checks if a given string is a valid ISO 8601 duration string.
File
- src/
Service/ DurationServiceInterface.php, line 24
Class
- DurationServiceInterface
- Interface for classes providing services for the Duration Field module.
Namespace
Drupal\duration_field\ServiceCode
public function checkDurationInvalid($duration);