Add an image to the facet radio button

facetwp_radio_button_image.php

<?php
add_filter( 'facetwp_facet_html', function( $output, $params ) {
    if ( 'your_facet' == $params['facet']['name'] ) {
        $output = '';
        $values = (array) $params['values'];

	$selected_values = (array) $params['selected_values'];
        
	foreach ( $values as $result ){
            $selected = in_array( $result['facet_value'], $selected_values ) ? ' checked' : '';
            $selected .= ( 0 == $result['counter'] && '' == $selected ) ? ' disabled' : '';
            $output .= '<div class="facetwp-radio' . $selected . '" data-value="' . esc_attr( $result['facet_value'] ) . '">';
            $output .= $result['facet_display_value']. ' <img src="'.plugin_dir_url( __FILE__ ).'img-cat/' .$result['facet_value']. '.png" alt="' .$result['facet_display_value']. '"> '; // $result['counter']
            $output .= '</div>';
	}
    }
	
    return $output;
}, 10, 2 );
?>