function FloatItem::generateSampleValue

Overrides FieldItemBase::generateSampleValue

File

core/lib/Drupal/Core/Field/Plugin/Field/FieldType/FloatItem.php, line 63

Class

FloatItem

Defines the 'float' field type.

Namespace

Code

public static function generateSampleValue(FieldDefinitionInterface $field_definition) {
  $settings = $field_definition->getSettings();
  $precision = rand(10, 32);
  $scale = rand(0, 2);
  $max = is_numeric($settings['max']) ?: pow(10, $precision - $scale) - 1;
  $min = is_numeric($settings['min']) ?: -pow(10, $precision - $scale) + 1;
  // @see "Example #1 Calculate a random floating-point number" in
  // http://php.net/manual/function.mt-getrandmax.php
  $random_decimal = $min + mt_rand() / mt_getrandmax() * ($max - $min);
  $values['value'] = self::truncateDecimal($random_decimal, $scale);
  return $values;
}