function StatementWrapperIterator::fetchField

Same name in other branches
  1. 11.x core/lib/Drupal/Core/Database/StatementWrapperIterator.php \Drupal\Core\Database\StatementWrapperIterator::fetchField()

Overrides StatementInterface::fetchField

File

core/lib/Drupal/Core/Database/StatementWrapperIterator.php, line 215

Class

StatementWrapperIterator
StatementInterface iterator implementation.

Namespace

Drupal\Core\Database

Code

public function fetchField($index = 0) {
    // Call \PDOStatement::fetchColumn to fetch the field.
    $column = $this->clientStatement
        ->fetchColumn($index);
    if ($column === FALSE) {
        $this->markResultsetFetchingComplete();
        return FALSE;
    }
    $this->setResultsetCurrentRow($column);
    return $column;
}

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