option['options'] as $key => $label ) {
$checked = '';
$option_key = preg_replace( '/[^a-zA-Z0-9._\-]/', '', strtolower( $key ) );
$id = str_replace( array( '[', ']' ), '-', $this->option_name ) . $option_key;
$name = $this->option_name . '[' . $option_key . ']';
if ( isset( $this->val[ $option_key ] ) ) {
$checked = checked( $this->val[ $option_key ], 1, false );
}
$output .= '';
}
return $output;
}
}