ACF JSON Example

plugin.php

<?php 

define( 'HSPH_PLUGIN_ASSETS_PATH', plugin_dir_path( __FILE__ ) . 'assets/' );

/**
 * Saving ACF fields to assets folder.
 *
 * @return String The path where to save ACF json fields.
 */
add_filter(
	'acf/settings/save_json',
	function ( $path ) {
		return HSPH_PLUGIN_ASSETS_PATH . 'acf/';
	}
);

/**
 * Loading ACF fields from assets folder.
 *
 * @return String The path where to load ACF json fields.
 */
add_filter(
	'acf/settings/load_json',
	function ( $paths ) {
		$paths[] = HSPH_PLUGIN_ASSETS_PATH . 'acf/';
		return $paths;
	}
);