ACF, CPT, Custom Admin | Type: PHPAdd Columns to Admin CPT Listing

See David Lord site for implementation.

/*-------------------------------------------------------------------------------
	Custom Columns - shown with date custom field
-------------------------------------------------------------------------------*/
function my_page_columns($columns) {
  $columns = array(
	'title' => 'Title',
	'type' => 'Project Type',
	'featured' => 'Featured',
	'date' => 'Date',
	'wps_post_id' => 'ID',
	);
	return $columns;
}
function my_custom_columns($column) {
	global $post;
	if($column == 'trngdate') {
	$startdate = DateTime::createFromFormat('Ymd', get_field('ACF_CUSTOMFIELDNAME'));
	echo $startdate->format('F j, Y');
	}
	if($column == 'type') {
	$projectype = get_field('ACF_CUSTOMFIELDNAME');
	echo $projectype;
	}
	if($column == 'featured') {
	$feat = get_field('ACF_CUSTOMFIELDNAME');
	    if ($feat=='Yes') {
	        echo '&#10003;';
	    }
	}
}
add_filter("manage_edit-CPTNAME_columns", "my_page_columns");
add_action("manage_posts_custom_column", "my_custom_columns");

/*-------------------------------------------------------------------------------
	Sortable Columns
-------------------------------------------------------------------------------*/
function my_column_register_sortable( $columns ) {
	$columns['trngdate'] = 'trngdate';
	return $columns;
}
add_filter("manage_edit-CPTNAME_sortable_columns", "my_column_register_sortable" );

ANOTHER EXAMPLE:

/*-------------------------------------------------------------------------------
	Paintings Custom Columns
-------------------------------------------------------------------------------*/
function paint_columns($columns) {
  $columns = array(
  	'cb' => 'cb-select-all-1',
	'title' => 'Painting Title',
	'decade' => 'Decade',
	'month-year' => 'Month/Year',
	'date' => 'Date',
	'wps_post_id' => 'ID',
	);
	return $columns;
}
function my_custom_columns($column) {
	global $post;
	if($column == 'decade') {
	$thedecade = get_field('paint_decade');
	echo $thedecade;
	}
	if($column == 'month-year') {
	$monthyear = get_field('paint_monthyear');
	echo $monthyear;
	}
}
add_filter("manage_edit-paintings_columns", "paint_columns");
add_action("manage_posts_custom_column", "my_custom_columns");

/*-------------------------------------------------------------------------------
	Sortable Columns
-------------------------------------------------------------------------------*/
function my_column_register_sortable( $columns ) {
	$columns['decade'] = 'decade';
	return $columns;
}
add_filter("manage_edit-paintings_sortable_columns", "my_column_register_sortable" );