<?php
declare(strict_types=1);
namespace ParagonIE\Ionizer\Filter;
use ParagonIE\Ionizer\InputFilter;
use ParagonIE\Ionizer\InvalidDataException;
/**
* Class FloatFilter
* @package ParagonIE\Ionizer\Filter
*/
class FloatFilter extends InputFilter
{
/**
* @var mixed
*/
protected $default = 0;
/**
* @var float|null
*/
protected $max = null;
/**
* @var float|null
*/
protected $min = null;
/**
* @var string
*/
protected $type = 'float';
/**
* @param mixed|null $value
* @return self
* @throws \TypeError
*/
public function setMaximumValue($value = null): self
{
if (\is_null($value)) {
$this->max = $value;
return $this;
}
if (!\is_numeric($value)) {
throw new \TypeError('A number was expected. ' . \gettype($value) . ' given.');
}
$this->max = (float) $value;
return $this;
}
/**
* @param mixed|null $value
* @return self
* @throws \TypeError
*/
public function setMinimumValue($value = null): self
{
if (\is_null($value)) {
$this->min = $value;
return $this;
}
if (!\is_numeric($value)) {
throw new \TypeError('A number was expected. ' . \gettype($value) . ' given.');
}
$this->min = (float) $value;
return $this;
}
/**
* Process data using the filter rules.
*
* @param mixed $data
* @return float
* @throws \TypeError
* @throws InvalidDataException
*/
public function process($data = null)
{
if (\is_array($data)) {
throw new \TypeError(
\sprintf('Unexpected array for float filter (%s).', $this->index)
);
}
if (\is_int($data) || \is_float($data)) {
$data = (float) $data;
} elseif (\is_null($data) || $data === '') {
$data = null;
} elseif (\is_string($data) && \is_numeric($data)) {
$data = (float) $data;
} else {
throw new \TypeError(
\sprintf('Expected an integer or floating point number (%s).', $this->index)
);
}
if (!\is_null($this->min) && !\is_null($data)) {
if ($data < $this->min) {
$data = null;
}
}
if (!\is_null($this->max) && !\is_null($data)) {
if ($data > $this->max) {
$data = null;
}
}
return (float) parent::process($data);
}
}
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