function TimeStampItemNormalizerTrait::constructValue

File

core/modules/serialization/src/Normalizer/TimeStampItemNormalizerTrait.php, line 61

Class

TimeStampItemNormalizerTrait

A trait for TimestampItem normalization functionality.

Namespace

Code

protected function constructValue($data, $context) {
    // Loop through the allowed formats and create a TimestampItem from the
    // input data if it matches the defined pattern. Since the formats are
    // unambiguous (i.e., they reference an absolute time with a defined time
    // zone), only one will ever match.
    $timezone = new \DateTimeZone('UTC');
    // First check for a provided format.
    if (!empty($data['format']) && in_array($data['format'], $this->allowedFormats)) {
        $date = \DateTime::createFromFormat($data['format'], $data['value'], $timezone);
        return [
            'value' => $date->getTimestamp(),
        ];
    }
    else {
        foreach ($this->allowedFormats as $format) {
            if (($date = \DateTime::createFromFormat($format, $data['value'], $timezone)) !== FALSE) {
                return [
                    'value' => $date->getTimestamp(),
                ];
            }
        }
    }
    $format_strings = [];
    foreach ($this->allowedFormats as $label => $format) {
        $format_strings[] = "\"{$format}\" ({$label})";
    }
    $formats = implode(', ', $format_strings);
    throw new UnexpectedValueException(sprintf('The specified date "%s" is not in an accepted format: %s.', $data['value'], $formats));
}