* Class for generating HTML <select> or <datalist> elements.
*/
class XmlSelect {
- protected $options = array();
+ protected $options = [];
protected $default = false;
protected $tagName = 'select';
- protected $attributes = array();
+ protected $attributes = [];
public function __construct( $name = false, $id = false, $default = false ) {
if ( $name ) {
* @return string|null
*/
public function getAttribute( $name ) {
- if ( isset( $this->attributes[$name] ) ) {
- return $this->attributes[$name];
- } else {
- return null;
- }
+ return $this->attributes[$name] ?? null;
}
/**
* @param string $label
- * @param string $value If not given, assumed equal to $label
+ * @param string|false $value If not given, assumed equal to $label
*/
public function addOption( $label, $value = false ) {
$value = $value !== false ? $value : $label;
- $this->options[] = array( $label => $value );
+ $this->options[] = [ $label => $value ];
}
/**
* label => ( label => value, label => value )
*
* @param array $options
- * @param string|array $default
+ * @param string|array|false $default
* @return string
*/
static function formatOptions( $options, $default = false ) {
foreach ( $options as $label => $value ) {
if ( is_array( $value ) ) {
$contents = self::formatOptions( $value, $default );
- $data .= Html::rawElement( 'optgroup', array( 'label' => $label ), $contents ) . "\n";
+ $data .= Html::rawElement( 'optgroup', [ 'label' => $label ], $contents ) . "\n";
} else {
// If $default is an array, then the <select> probably has the multiple attribute,
// so we should check if each $value is in $default, rather than checking if