WordPress :: Save ACF settings to json

acf.php

<?php

/**
 * Save ACF settings to json
 */	
add_filter( 'acf/settings/load_json', 'astahub_acf_json_load' );
add_filter( 'acf/settings/save_json', 'astahub_acf_json_save' );

function astahub_get_acf_path() {
    return get_template_directory() . '/acf-json';
}

function astahub_acf_json_load( $paths ) {
    $paths[] = astahub_get_acf_path();
    return $paths;
}

function astahub_acf_json_save() {
    return astahub_get_acf_path();
}