function variable_validate_number in Variable 7.2

Validate numeric variable.

1 string reference to 'variable_validate_number'

variable_variable_type_info in ./variable.variable.inc

Implements hook_variable_type_info().

File

./variable.variable.inc, line 378

Variable module hook implementations

Code

function variable_validate_number($variable) {
  if (empty($variable['required']) && empty($variable['value'])) {
    return;
  }
  elseif (!is_numeric($variable['value'])) {
    return t('The value is not a number.');
  }
}