function Substr::transform

Same name in other branches
  1. 9 core/modules/migrate/src/Plugin/migrate/process/Substr.php \Drupal\migrate\Plugin\migrate\process\Substr::transform()
  2. 10 core/modules/migrate/src/Plugin/migrate/process/Substr.php \Drupal\migrate\Plugin\migrate\process\Substr::transform()
  3. 11.x core/modules/migrate/src/Plugin/migrate/process/Substr.php \Drupal\migrate\Plugin\migrate\process\Substr::transform()

Overrides ProcessPluginBase::transform

File

core/modules/migrate/src/Plugin/migrate/process/Substr.php, line 72

Class

Substr
Returns a substring of the input value.

Namespace

Drupal\migrate\Plugin\migrate\process

Code

public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
    $start = isset($this->configuration['start']) ? $this->configuration['start'] : 0;
    if (!is_int($start)) {
        throw new MigrateException('The start position configuration value should be an integer. Omit this key to capture from the beginning of the string.');
    }
    $length = isset($this->configuration['length']) ? $this->configuration['length'] : NULL;
    if ($length !== NULL && !is_int($length)) {
        throw new MigrateException('The character length configuration value should be an integer. Omit this key to capture from the start position to the end of the string.');
    }
    if (!is_string($value)) {
        throw new MigrateException('The input value must be a string.');
    }
    // Use optional start or length to return a portion of $value.
    return mb_substr($value, $start, $length);
}

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