gistfile1.txt

/*
	*  check_sync
	*
	*  This function will check for any $_GET data to sync
	*
	*  @type	function
	*  @date	9/12/2014
	*  @since	5.1.5
	*
	*  @param	n/a
	*  @return	n/a
	*/
	
	function check_sync() {
		
		// message
		if( $ids = acf_maybe_get($_GET, 'acfsynccomplete') ) {
			
			// explode
			$ids = explode(',', $ids);
			$total = count($ids);
			
			if( $total == 1 ) {
				
				acf_add_admin_notice( sprintf(__('Field group synchronised. %s', 'acf'), '<a href="' . get_edit_post_link($ids[0]) . '">' . get_the_title($ids[0]) . '</a>') );
				
			} else {
				
				acf_add_admin_notice( sprintf(_n( '%s field group synchronised.', '%s field groups synchronised.', $total, 'acf' ), $total) );
				
			}
			
		}
		
		
		// vars
		$groups = acf_get_field_groups();
		
		
		// bail early if no field groups
		if( empty($groups) ) return;
		
		
		// find JSON field groups which have not yet been imported
		foreach( $groups as $group ) {
			
			// vars
			$local = acf_maybe_get($group, 'local', false);
			$modified = acf_maybe_get($group, 'modified', 0);
			$private = acf_maybe_get($group, 'private', false);
			
			
			// ignore DB / PHP / private field groups
			if( $local !== 'json' || $private ) {
				
				// do nothing
				
			} elseif( !$group['ID'] ) {
				
				$this->sync[ $group['key'] ] = $group;
				
			} elseif( $modified && $modified > get_post_modified_time('U', true, $group['ID'], true) ) {
				
				$this->sync[ $group['key'] ]  = $group;
				
			}
						
		}
		
		
		// bail if no sync needed
		if( empty($this->sync) ) return;
		
		
		// maybe sync
		$sync_keys = array();
		
		
		// check single
		if( $key = acf_maybe_get($_GET, 'acfsync') ) {
			
			$sync_keys[] = $key;
		
		// check multiple
		} elseif( acf_maybe_get($_GET, 'action2') === 'acfsync' ) {
			
			$sync_keys = acf_maybe_get($_GET, 'post');
			
		}
		
		
		// sync
		if( !empty($sync_keys) ) {
			
			// validate
			check_admin_referer('bulk-posts');
			
			
			// disable filters to ensure ACF loads raw data from DB
			acf_disable_filters();
			acf_enable_filter('local');
			
			
			// disable JSON
			// - this prevents a new JSON file being created and causing a 'change' to theme files - solves git anoyance
			acf_update_setting('json', false);
			
			
			// vars
			$new_ids = array();
				
			
			// loop
			foreach( $sync_keys as $key ) {
				
				// append fields
				if( acf_have_local_fields($key) ) {
					
					$this->sync[ $key ]['fields'] = acf_get_local_fields( $key );
					
				}
				
				
				// import
				$field_group = acf_import_field_group( $this->sync[ $key ] );
									
				
				// append
				$new_ids[] = $field_group['ID'];
				
			}
			
			
			// redirect
			wp_redirect( admin_url( $this->url . '&acfsynccomplete=' . implode(',', $new_ids)) );
			exit;
			
		}
		
		
		// filters
		add_filter('views_edit-acf-field-group', array($this, 'list_table_views'));
		
	}