^^&&^^

Edit File: button_set.php

<?php if ( ! defined( 'ABSPATH' ) ) { die; } // Cannot access directly.

/**

* Field: button_set

* @since 1.0.0

* @version 1.0.0

if ( ! class_exists( 'CSF_Field_button_set' ) ) {

class CSF_Field_button_set extends CSF_Fields {

public function __construct( $field, $value = '', $unique = '', $where = '', $parent = '' ) {

parent::__construct( $field, $value, $unique, $where, $parent );

}

public function render() {

$args = wp_parse_args( $this->field, array(

'multiple'   => false,

'options'    => array(),

'query_args' => array(),

) );

$value = ( is_array( $this->value ) ) ? $this->value : array_filter( (array) $this->value );

echo $this->field_before();

if ( isset( $this->field['options'] ) ) {

$options = $this->field['options'];

$options = ( is_array( $options ) ) ? $options : array_filter( $this->field_data( $options, false, $args['query_args'] ) );

if ( is_array( $options ) && ! empty( $options ) ) {

echo '<div class="csf-siblings csf--button-group" data-multiple="'. esc_attr( $args['multiple'] ) .'">';

foreach ( $options as $key => $option ) {

$type    = ( $args['multiple'] ) ? 'checkbox' : 'radio';

$extra   = ( $args['multiple'] ) ? '[]' : '';

$active  = ( in_array( $key, $value ) || ( empty( $value ) && empty( $key ) )  ) ? ' csf--active' : '';

$checked = ( in_array( $key, $value ) || ( empty( $value ) && empty( $key ) ) ) ? ' checked' : '';

echo '<div class="csf--sibling csf--button'. esc_attr( $active ) .'">';

echo '<input type="'. esc_attr( $type ) .'" name="'. esc_attr( $this->field_name( $extra ) ) .'" value="'. esc_attr( $key ) .'"'. $this->field_attributes() . esc_attr( $checked ) .'/>';

echo $option;

echo '</div>';

}

echo '</div>';

} else {

echo ( ! empty( $this->field['empty_message'] ) ) ? esc_attr( $this->field['empty_message'] ) : esc_html__( 'No data available.', 'csf' );

}

echo $this->field_after();

}