public function NumericFilter::filter in Form API Validation 8.2

Execute filter.

Parameters

string $value: Form Element Value.

Return value

string Processed Value.

Overrides FapiValidationFiltersInterface::filter

File

src/Plugin/FapiValidationFilter/NumericFilter.php, line 19

Class

NumericFilter

Fapi Validation Plugin for remove Numeric filter.

Namespace

Drupal\fapi_validation\Plugin\FapiValidationFilter

Code

public function filter($value) {
  return preg_replace('/[^0-9]+/', '', $value);
}