spencejs

//Add Single Post Templating By Category
add_filter('single_template', create_function('$t', 'foreach( (array) get_the_category() as $cat ) { if ( file_exists(TEMPLATEPATH . "/single-{$cat->term_id}.php") ) return TEMPLATEPATH . "/single-{$cat->term_id}.php"; } return $t;' ));

spencejs

//Add Custom Field and Value to all pages
 add_action('publish_page', 'add_custom_field_automatically');
function add_custom_field_automatically($post_ID) {
  global $wpdb;
	if(!wp_is_post_revision($post_ID)) {
		add_post_meta($post_ID, 'ngg_gal_Images', '42', true);
	}
}

spencejs

//Add Tags to Search
function custom_search_where($where){
  global $wpdb;
  if (is_search())
    $where .= "OR (t.name LIKE '%".get_search_query()."%' AND {$wpdb->posts}.post_status = 'publish')";
  return $where;
}

function custom_search_join($join){
  global $wpdb;

spencejs

//Add Alert Notice To Options Pages
add_action( 'admin_notices', 'my_admin_notice' );
function my_admin_notice(){
     global $current_screen;</div>
     if ( $current_screen->parent_base == 'options-general' )
          echo '<div><p>Warning - changing settings on these pages may cause problems with your website’s design!</p></div>';
}

spencejs

//
function the_post_thumbnail_caption() {
  global $post;

  $thumbnail_id    = get_post_thumbnail_id($post->ID);
  $thumbnail_image = get_posts(array('p' => $thumbnail_id, 'post_type' => 'attachment'));

  if ($thumbnail_image && isset($thumbnail_image[0])) {
    echo '<span>'.$thumbnail_image[0]->post_excerpt.'</span>';
  }

spencejs

//Change Excerpt Length
function new_excerpt_length($length) {
  return 20;
}
add_filter('excerpt_length', 'new_excerpt_length');

spencejs

//Change Title By Post Type
function custom_title_text( $title ){
$screen = get_current_screen();
if ( 'issues' == $screen->post_type ) {
$title = 'Issue Months and Year e.g. "Jul/Aug 2011"';
}
return $title;
}
add_filter( 'enter_title_here', 'custom_title_text' );

spencejs

//Custom Additional Excerpt Length
function custom_excerpt($content_length = 250, $allowtags = true, $allowedtags = '') {
    global $post;
  $exc = $post->post_excerpt;
	if ($exc == '') {
		$content = $post->post_content;
	} else {
    $content = $post->post_excerpt;
	}
    $content = apply_filters('the_content', $content);

spencejs

////////////////////////////////////////////////
//Add Project Type Column to Projects Backend
///////////////////////////////////////////////
add_filter('manage_edit-project_columns', 'project_columns');
function project_columns($columns) {
	unset($columns['date']);
	$columns['Type'] = 'Type';
	$columns['date'] = 'Date';
	return $columns;
}

spencejs

//Add Custom Dashboard Widget - Side
add_action( 'wp_dashboard_setup', 'my_dashboard_setup_function' );
function my_dashboard_setup_function() {
    add_meta_box( 'my_dashboard_widget', 'Electrico Useful Information', 'my_dashboard_widget_function', 'dashboard', 'side', 'high' );
}
function my_dashboard_widget_function() {
    // widget content goes here
  echo '<p>Some Content</p>';
}