WP PHP: build an array of post id => post title pairs by CPT

get_list_of_posts.php

/**
 * Function to query a given post type and to build array of the avialable titles. Used for select lists
 * Used by:
 *
 * @param string 	$post_type	Post type
 * @return array 	$pairs 		Associative array with key[post id] and value[post title]
 */
function get_post_type_list_of_posts($post_type){

	$pairs 			= array();
	$post_data 		= get_posts( array(
		'post_type' 		=> $post_type,
		'posts_per_page' 	=> -1,
		'orderby'    		=> 'post_title',
		'post_status' 		=> array('publish','private')
	));

	$pairs["none"]	= '---';

	if($post_data){
		foreach ($post_data as $data) {
			$pairs[$data->ID] = $data->post_title;
		}
	}

	return $pairs;
}