Below you will find snippets to help you through developing a wordpress template, hope it helps :)
####get the home URL
<?php echo get_option('home'); ?>
####display the blog description
<?php bloginfo('description'); ?>
####display the blog name
<?php bloginfo('name'); ?>
####get the home URL for template's directory
<?php bloginfo('template_directory') ?>
####display the page list in descending order withour title
<?php wp_list_pages('sort_order=desc&title_li='); ?>
####display the list of blogrolls
<?php wp_list_bookmarks(); ?>
####title of post
<?php the_title(); ?>
####the text "read more" will not show up
<?php the_content(''); ?>
####dispaly the tags of the post
<?php the_tags('', ' . ', ''); ?>
####display the time of the current post
<?php the_time('F jS, Y') ?>
####display the numeric ID of the current post
<?php the_ID(); ?>
####display a link to them comment
<?php comments_popup_link('No Comments', '1 Comment', '% Comments'); ?>
####display the author's name of the post
<?php the_author() ?>
####display the unique numeric user ID for the author of a post
<?php the_author_ID()?>
####display the commentor avatar in a size of 80px X 80px
<?php echo get_avatar( $comment, 80 ); ?>
####display the comment content
<?php comment_text() ?>
####display the URL for the permalink of the post currently being processed
<?php the_permalink() ?>
####display a link to the previous post with an anchor text as "Previous Post"
<?php previous_post_link('%link', 'Previous Post') ?>
####display a link to the next post with an anchor text as "Next Post"
<?php next_post_link('%link', 'Next Post') ?>
####display a link to the previous page with an anchor text as "Previous Page"
<?php posts_nav_link('','','« Previous Entries') ?>
####display a link to the next page with an anchor text as "Next Page"
<?php posts_nav_link('','Next Entries »','') ?>
####display a link to the previous image within the gallery
<?php previous_image_link() ?>
####display a link to the previous image within the gallery
<?php next_image_link() ?>
####load header.php
<?php get_header(); ?>
####load sidebar.php
<?php get_sidebar(); ?>
####load footer.php
<?php get_footer(); ?>
####goes in footer.php
<?php wp_footer(); ?>
####goes in header.php
<?php wp_head(); ?>
####load comments.php
<?php comments_template(); ?>
####load searchform.php
<?php include (TEMPLATEPATH . '/searchform.php'); ?>
####load about.php
<?php include('about.php'); ?>
####load featured-post.php
<?php include('featured-post.php'); ?>
<?php if ( !function_exists('dynamic_sidebar') || !dynamic_sidebar('sidebar2') ) : ?>
if it is a widgetize sidebar, defince this as sidebar 2
<?php endif; ?>
Template Name: Links
*/ ?>```
normal post loop
----------------
####Start loop
```<?php if (have_posts()) : while (have_posts()) : the_post(); ?>```
a normal posts loop, the contents go here
```<?php endwhile; else: ?>```
```<?php endif; ?>```
query post loop
----------------
####Start loop
```<?php $query_string = ... ```
```<?php query_posts($query_string); while (have_posts()) : the_post(); ?>```
the contents go here
```<?php endwhile; ?>```
comment loop
-------------
####start the comments loop
```<?php foreach ($comments as $comment) : ?>```
the contents go here
```<?php endforeach; ?>```
####end comments loop
use of custom fields
--------------------
####start the loop
```<?php while (have_posts()) : the_post(); ?>```
####define the custom field key for the post being processed in the loop with the ID
```<?php $photo = get_post_meta($post->ID, "myphoto", TRUE); ?>```
####display the custom field value
```<?php echo $mydesc; ?>```
```<?php endwhile; ?>```
Custom Post Types
------------------
####Create Custom Post type
```function codex_custom_init() {
$labels = array(
'name' => 'Books',
'singular_name' => 'Book',
'add_new' => 'Add New',
'add_new_item' => 'Add New Book',
'edit_item' => 'Edit Book',
'new_item' => 'New Book',
'all_items' => 'All Books',
'view_item' => 'View Book',
'search_items' => 'Search Books',
'not_found' => 'No books found',
'not_found_in_trash' => 'No books found in Trash',
'parent_item_colon' => '',
'menu_name' => 'Books'
);
$args = array(
'labels' => $labels,
'public' => true,
'publicly_queryable' => true,
'show_ui' => true,
'show_in_menu' => true,
'query_var' => true,
'rewrite' => array( 'slug' => 'book' ),
'capability_type' => 'post',
'has_archive' => true,
'hierarchical' => false,
'menu_position' => null,
'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'excerpt', 'comments' )
);
register_post_type( 'book', $args );
}
add_action( 'init', 'codex_custom_init' );```
Santize HTML Inputs
-----------------
####
```<?php
$sanitized_email = sanitize_email('éric@loremipsum.com!');
print $sanitized_email; // will output:'ric@loremipsum.com'
?>```
```<?php
// If you want to explicitly style a post, you can use the sanitized version of the post title as a class
$post_class = sanitize_html_class( $post->post_title );
echo '<div class="' . esc_attr( $post_class ) . '">';```
```<?php sanitize_title( $title, $fallback_title, $context ) ?>```
```<?php
$new_url = sanitize_title('This Long Title is what My Post or Page might be');
echo $new_url; // this-long-title-is-what-my-post-or-page-might-be
?>```