function fapi_validation_rule_digit in Form API Validation 6

Same name and namespace in other branches

1. 7.2 fapi_validation.module \fapi_validation_rule_digit()
2. 7 fapi_validation.module \fapi_validation_rule_digit()

1 string reference to 'fapi_validation_rule_digit'

fapi_validation_fapi_validation_rules in ./fapi_validation.module

Implementation of hook_fapi_validation_rules

File

./fapi_validation.module, line 265

Code

function fapi_validation_rule_digit($value) {
  return (bool) preg_match('/^\\d+$/', $value);
}