WordPress Content Functions

These are the pre-define function defined in wordpress we just need to use 
it directly where we wanted.
the most common functions we normally use is get title , get site url etc.
So basically  these are for beginners  and you become expert while regular using this.
there are comment with every function to explain its functionality. 
// title of the post
<?php the_title(); ?>
// web site url 
<?php echo site_url(); ?>
// web site name 
<?php echo get_bloginfo(); ?>
// post body 
if ( have_posts() ) : the_post();
// get custom value of the post
$cusomVal = get_post_custom_values('name_of_custom_value', $post->ID);
echo $cusomVal[0] ;
// get post thumbnail 
<?php the_post_thumbnail(); ?>
// get thumbnail url
$post_thumbnail_id = get_post_thumbnail_id($post->ID);
$post_thumbnail_url = wp_get_attachment_url( $post_thumbnail_id );
// post per page attributes (give the required number of post on the page)
 $args = array( 'posts_per_page' => 5, 'offset'=> 0 );
 $myposts = get_posts( $args );
// limited post text on the page (put this on the place the_content())and add ellipse in the end
<?php the_excerpt(); ?>
// get published date 
<?php echo get_the_date(); ?>