Wordpress custom post

functions.php

<?php
/*-----------------------------------------------------------------------------------*/
/*	Create a new post type called course
/*-----------------------------------------------------------------------------------*/

function create_post_type_courses() 
{
	$labels = array(
		'name' => __( 'Course'),
		'singular_name' => __( 'Course' ),
		'rewrite' => array('slug' => __( 'courses' )),
		'add_new' => _x('Add New', 'slide'),
		'add_new_item' => __('Add New Course'),
		'edit_item' => __('Edit Course'),
		'new_item' => __('New Course'),
		'view_item' => __('View Course'),
		'search_items' => __('Search Course'),
		'not_found' =>  __('No courses found'),
		'not_found_in_trash' => __('No courses found in Trash'), 
		'parent_item_colon' => ''
	  );
	  
	  $args = array(
		'labels' => $labels,
		'public' => true,
		'publicly_queryable' => true,
		'show_ui' => true, 
		'query_var' => true,
		'rewrite' => true,
		'capability_type' => 'post',
		'hierarchical' => false,
		'menu_position' => null,
		'supports' => array('title','editor','thumbnail','custom-fields','excerpt')
	  ); 
	  
	  register_post_type(__( 'course' ),$args);
}
/*-----------------------------------------------------------------------------------*/
/*	All the pre-made messages for the course post type
/*-----------------------------------------------------------------------------------*/

function course_updated_messages( $messages ) {

  $messages[__( 'course' )] = 
  	array(
		0 => '', // Unused. Messages start at index 1.
		1 => sprintf( __('Course updated. <a href="%s">View course</a>'), esc_url( get_permalink($post_ID) ) ),
		2 => __('Custom field updated.'),
		3 => __('Custom field deleted.'),
		4 => __('Course updated.'),
		/* translators: %s: date and time of the revision */
		5 => isset($_GET['revision']) ? sprintf( __('Course restored to revision from %s'), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
		6 => sprintf( __('Course published. <a href="%s">View course</a>'), esc_url( get_permalink($post_ID) ) ),
		7 => __('Course saved.'),
		8 => sprintf( __('Course submitted. <a target="_blank" href="%s">Preview course</a>'), esc_url( add_query_arg( 'preview', 'true', get_permalink($post_ID) ) ) ),
		9 => sprintf( __('Course scheduled for: <strong>%1$s</strong>. <a target="_blank" href="%2$s">Preview course</a>'),
		  // translators: Publish box date format, see http://php.net/date
		  date_i18n( __( 'M j, Y @ G:i' ), strtotime( $post->post_date ) ), esc_url( get_permalink($post_ID) ) ),
		10 => sprintf( __('Course draft updated. <a target="_blank" href="%s">Preview course</a>'), esc_url( add_query_arg( 'preview', 'true', get_permalink($post_ID) ) ) ),
  );
  
  return $messages;
  
}
/*-----------------------------------------------------------------------------------*/
/*	Create custom taxonomies for the portfolio post type
/*-----------------------------------------------------------------------------------*/

function build_taxonomies(){
	register_taxonomy(__( "semester" ), array(__( "course" )), array("hierarchical" => false, "label" => __( "Semesters" ), "singular_label" => __( "Semester" ), "rewrite" => array('slug' => 'semester', 'hierarchical' => false))); 
	register_taxonomy(__( "faculty-member" ), array(__( "course" )), array("hierarchical" => false, "label" => __( "Faculty members" ), "singular_label" => __( "Faculty member" ), "rewrite" => array('slug' => 'faculty', 'hierarchical' => false))); 
	register_taxonomy(__( "type" ), array(__( "course" )), array("hierarchical" => false, "label" => __( "Types" ), "singular_label" => __( "Type" ), "rewrite" => array('slug' => 'type', 'hierarchical' => false))); 
}
  
/*-----------------------------------------------------------------------------------*/
/*	Edit the courses columns
/*-----------------------------------------------------------------------------------*/
function course_edit_columns($columns){  

        $columns = array(  
            "cb" => "<input type=\"checkbox\" />",  
            "title" => __( 'Course Title' ),
			"semester" => __( 'semester' ),
			"faculty-member" => __( 'faculty' ),
			"type" => __( 'type' )
        );  
  
        return $columns;  
}
/*-----------------------------------------------------------------------------------*/
/*	Show the taxonomies within the columns
/*-----------------------------------------------------------------------------------*/

function courses_custom_columns($column){  
        global $post;  
        switch ($column)  
        {    
            case __( 'type' ):  
                echo get_the_term_list($post->ID, __( 'type' ), '', ', ','');  
                break;
			case __( 'semester' ):  
				echo get_the_term_list($post->ID, __( 'semester' ), '', ', ','');  
				break;
			case __( 'faculty-member' ):  
				echo get_the_term_list($post->ID, __( 'faculty-member' ), '', ', ','');  
				break;
        }  
}
/*-----------------------------------------------------------------------------------*/
/*	Rock'n'Roll
/*-----------------------------------------------------------------------------------*/
add_action( 'init', 'create_post_type_courses' );
add_action( 'init', 'build_taxonomies', 0 );
add_filter('post_updated_messages', 'course_updated_messages');
add_filter("manage_edit-course_columns", "course_edit_columns");
add_action("manage_posts_custom_column",  "courses_custom_columns"); 
?>