- return array(
- 'empty' => array( '' ),
- 'digits' => array( '09' ),
- 'letters' => array( 'AZaz' ),
- 'ASCII special characters' => array( '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~' ),
- );
+ return [
+ 'empty' => [ '' ],
+ 'digits' => [ '09' ],
+ 'letters' => [ 'AZaz' ],
+ 'ASCII special characters' => [ '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~' ],
+ ];