public function SelectExtender::escapeField

Escapes a field name string.

Force all field names to be strictly alphanumeric-plus-underscore. For some database drivers, it may also wrap the field name in database-specific escape characters.

Parameters

string $string: An unsanitized field name.

Return value

string The sanitized field name string.

Overrides SelectInterface::escapeField

File

core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 287

Class

SelectExtender

The base extender class for Select queries.

Namespace

Code

public function escapeField($string) {
  $this->query
    ->escapeField($string);
  return $this;
}