if( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly if( ! class_exists('acf_json') ) : class acf_json { function __construct() { // update setting acf_update_setting('save_json', get_stylesheet_directory() . '/acf-json'); acf_append_setting('load_json', get_stylesheet_directory() . '/acf-json'); // actions add_action('acf/update_field_group', array($this, 'update_field_group'), 10, 1); add_action('acf/duplicate_field_group', array($this, 'update_field_group'), 10, 1); add_action('acf/untrash_field_group', array($this, 'update_field_group'), 10, 1); add_action('acf/trash_field_group', array($this, 'delete_field_group'), 10, 1); add_action('acf/delete_field_group', array($this, 'delete_field_group'), 10, 1); add_action('acf/include_fields', array($this, 'include_json_folders'), 10, 0); } /* * update_field_group * * This function is hooked into the acf/update_field_group action and will save all field group data to a .json file * * @type function * @date 10/03/2014 * @since 5.0.0 * * @param $field_group (array) * @return n/a */ function update_field_group( $field_group ) { // validate if( !acf_get_setting('json') ) return; // get fields $field_group['fields'] = acf_get_fields( $field_group ); // save file acf_write_json_field_group( $field_group ); } /* * delete_field_group * * This function will remove the field group .json file * * @type function * @date 10/03/2014 * @since 5.0.0 * * @param $field_group (array) * @return n/a */ function delete_field_group( $field_group ) { // validate if( !acf_get_setting('json') ) return; // WP appends '__trashed' to end of 'key' (post_name) $field_group['key'] = str_replace('__trashed', '', $field_group['key']); // delete acf_delete_json_field_group( $field_group['key'] ); } /* * include_json_folders * * This function will include all registered .json files * * @type function * @date 10/03/2014 * @since 5.0.0 * * @param n/a * @return n/a */ function include_json_folders() { // validate if( !acf_get_setting('json') ) return; // vars $paths = acf_get_setting('load_json'); // loop through and add to cache foreach( $paths as $path ) { } } /* * include_json_folder * * This function will include all .json files within a folder * * @type function * @date 1/5/17 * @since 5.5.13 * * @param n/a * @return n/a */ function include_json_folder( $path = '' ) { // remove trailing slash $path = untrailingslashit( $path ); // bail early if path does not exist if( !is_dir($path) ) return false; // open $dir = opendir( $path ); // bail early if not valid if( !$dir ) return false; // loop over files while(false !== ( $file = readdir($dir)) ) { // validate type if( pathinfo($file, PATHINFO_EXTENSION) !== 'json' ) continue; // read json $json = file_get_contents("{$path}/{$file}"); // validate json if( empty($json) ) continue; // decode $json = json_decode($json, true); // add local $json['local'] = 'json'; // add field group acf_add_local_field_group( $json ); } // return return true; } } // initialize endif; // class_exists check /* * acf_write_json_field_group * * This function will save a field group to a json file within the current theme * * @type function * @date 5/12/2014 * @since 5.1.5 * * @param $field_group (array) * @return (boolean) */ function acf_write_json_field_group( $field_group ) { // vars $path = acf_get_setting('save_json'); $file = $field_group['key'] . '.json'; // remove trailing slash $path = untrailingslashit( $path ); // bail early if dir does not exist if( !is_writable($path) ) return false; // prepare for export $id = acf_extract_var( $field_group, 'ID' ); $field_group = acf_prepare_field_group_for_export( $field_group ); // add modified time $field_group['modified'] = get_post_modified_time('U', true, $id, true); // write file $f = fopen("{$path}/{$file}", 'w'); fwrite($f, acf_json_encode( $field_group )); fclose($f); // return return true; } /* * acf_delete_json_field_group * * This function will delete a json field group file * * @type function * @date 5/12/2014 * @since 5.1.5 * * @param $key (string) * @return (boolean) */ function acf_delete_json_field_group( $key ) { // vars $path = acf_get_setting('save_json'); $file = $key . '.json'; // remove trailing slash $path = untrailingslashit( $path ); // bail early if file does not exist if( !is_readable("{$path}/{$file}") ) { return false; } // remove file unlink("{$path}/{$file}"); // return return true; }