NumberRangeValidator.php

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<?php
namespace TYPO3\CMS\Extbase\Validation\Validator;

class NumberRangeValidator extends AbstractValidator {

    protected $supportedOptions = array(
        'minimum' => array(0, 'The minimum value to accept', 'integer'),
        'maximum' => array(PHP_INT_MAX, 'The maximum value to accept', 'integer'),
        'startRange' => array(0, 'The minimum value to accept', 'integer'),
        'endRange' => array(PHP_INT_MAX, 'The maximum value to accept', 'integer')
    );

    public function isValid($value) {
        if (!is_numeric($value)) {
            $this->addError(
                $this->translateErrorMessage(
                    'validator.numberrange.notvalid',
                    'extbase'
                ), 1221563685);
            return;
        }

        if (isset($this->options['minimum']) && isset($this->options['startRange'])) {
            if ($this->options['minimum'] !== 0) {
                $minimum = $this->options['minimum'];
            } elseif ($this->options['startRange'] !== 0) {
                $minimum = $this->options['startRange'];
            } else {
                $minimum = 0;
            }
        } elseif (isset($this->options['minimum'])) {
            $minimum = $this->options['minimum'];
        } elseif (isset($this->options['startRange'])) {
            $minimum = $this->options['startRange'];
        } else {
            $minimum = 0;
        }

        if (isset($this->options['maximum']) && isset($this->options['endRange'])) {
            if ($this->options['maximum'] !== PHP_INT_MAX) {
                $maximum = $this->options['maximum'];
            } elseif ($this->options['endRange'] !== PHP_INT_MAX) {
                $maximum = $this->options['endRange'];
            } else {
                $maximum = PHP_INT_MAX;
            }
        } elseif (isset($this->options['maximum'])) {
            $maximum = $this->options['maximum'];
        } elseif (isset($this->options['endRange'])) {
            $maximum = $this->options['endRange'];
        } else {
            $maximum = PHP_INT_MAX;
        }

        if ($minimum > $maximum) {
            $x = $minimum;
            $minimum = $maximum;
            $maximum = $x;
        }
        if ($value < $minimum || $value > $maximum) {
            $this->addError($this->translateErrorMessage(
                'validator.numberrange.range',
                'extbase',
                array(
                    $minimum,
                    $maximum
                )
            ), 1221561046, array($minimum, $maximum));
        }
    }
}