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FloatType.php
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FloatType.php
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<?php
declare(strict_types=1);
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 3.0.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Database\Type;
use Cake\Database\Driver;
use Cake\Database\Exception\DatabaseException;
use Cake\I18n\Number;
use PDO;
/**
* Float type converter.
*
* Use to convert float/decimal data between PHP and the database types.
*/
class FloatType extends BaseType implements BatchCastingInterface
{
/**
* The class to use for representing number objects
*
* @var string
*/
public static string $numberClass = Number::class;
/**
* Whether numbers should be parsed using a locale aware parser
* when marshalling string inputs.
*
* @var bool
*/
protected bool $_useLocaleParser = false;
/**
* Convert integer data into the database format.
*
* @param mixed $value The value to convert.
* @param \Cake\Database\Driver $driver The driver instance to convert with.
* @return float|null
*/
public function toDatabase(mixed $value, Driver $driver): ?float
{
if ($value === null || $value === '') {
return null;
}
return (float)$value;
}
/**
* {@inheritDoc}
*
* @param mixed $value The value to convert.
* @param \Cake\Database\Driver $driver The driver instance to convert with.
* @return float|null
* @throws \Cake\Core\Exception\CakeException
*/
public function toPHP(mixed $value, Driver $driver): ?float
{
if ($value === null) {
return null;
}
return (float)$value;
}
/**
* @inheritDoc
*/
public function manyToPHP(array $values, array $fields, Driver $driver): array
{
foreach ($fields as $field) {
if (!isset($values[$field])) {
continue;
}
$values[$field] = (float)$values[$field];
}
return $values;
}
/**
* @inheritDoc
*/
public function toStatement(mixed $value, Driver $driver): int
{
return PDO::PARAM_STR;
}
/**
* Marshals request data into PHP floats.
*
* @param mixed $value The value to convert.
* @return string|float|null Converted value.
*/
public function marshal(mixed $value): string|float|null
{
if ($value === null || $value === '') {
return null;
}
if (is_string($value) && $this->_useLocaleParser) {
return $this->_parseValue($value);
}
if (is_numeric($value)) {
return (float)$value;
}
if (is_string($value) && preg_match('/^[0-9,. ]+$/', $value)) {
return $value;
}
return null;
}
/**
* Sets whether to parse numbers passed to the marshal() function
* by using a locale aware parser.
*
* @param bool $enable Whether to enable
* @return $this
*/
public function useLocaleParser(bool $enable = true)
{
if ($enable === false) {
$this->_useLocaleParser = $enable;
return $this;
}
if (
static::$numberClass === Number::class ||
is_subclass_of(static::$numberClass, Number::class)
) {
$this->_useLocaleParser = $enable;
return $this;
}
throw new DatabaseException(
sprintf('Cannot use locale parsing with the %s class', static::$numberClass)
);
}
/**
* Converts a string into a float point after parsing it using the locale
* aware parser.
*
* @param string $value The value to parse and convert to an float.
* @return float
*/
protected function _parseValue(string $value): float
{
$class = static::$numberClass;
return $class::parseFloat($value);
}
}