WordPress has evolved a lot from a simple blog system to a great CMS (Content Management System) with tons of cool plugins and functions that make your work simpler. Howver the most powerful controller is your theme. No matter you have so many plugins right from breadcrumbs to comments follow back, these plugins may only work if you theme is smart enough to deal with them.
These snippets are for all those theme developers who want some “more” with their theme.
How to Add an Automatically Changing Copyright Year in Your Footer
Copyright © 200x-<?php echo date('Y'); ?> Example.com.
How to Close Comments on Posts Older than 1 Month
<?php
function close_comments( $posts ) {
if ( !is_single() ) { return $posts; }
if ( time() - strtotime( $posts[0]->post_date_gmt ) > ( 30 * 24 * 60 * 60 ) ) {
$posts[0]->comment_status = 'closed';
$posts[0]->ping_status = 'closed';
}
return $posts;
}
add_filter( 'the_posts', 'close_comments' );
?>
How to Disable Indexing of Pages by Search Engine
<?php if ( is_category('4') || in_category('4') ) {
echo '<meta name="robots" content="noindex">';
}
How to Display the Total Number of Posts on Your Blog
<?php $numposts = $wpdb->get_var("SELECT count(*) FROM $wpdb->posts WHERE post_status = 'publish' AND post_type = 'post'");
if (0 < $numposts)
$numposts = number_format($numposts);
echo $numposts.' posts.';
?>
How to Display Widgets wrapped in DIV tags instead of LI tags
if ( function_exists('register_sidebar') )
register_sidebar(array(
'name' => 'leftbar',
'before_widget' => '<div id="%1$s" class="widget %2$s">',
'after_widget' => '</div><!--/widget-->',
'before_title' => '<h3 class="hl">',
'after_title' => '</h3>',
));
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