important wordpress snippets

THIS WILL BE UPDATED CONTINUOUSLY

Limit content
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<?php function content($num) {
$theContent = get_the_content();
$output = strip_tags($theContent);
//$output = preg_replace('/<img[^>]+./','', $theContent);
//$output = preg_replace( '/<blockquote>.*<\/blockquote>/', '', $output );
//$output = preg_replace( '/<h2>.*<\/h2>/', '', $output );
//$output = preg_replace( '|\[(.+?)\](.+?\[/\\1\])?|s', '', $output );
$limit = $num+1;
$content = explode(' ', $output, $limit);
array_pop($content);
$content = implode(" ",$content)."...";
echo $content;
} ?>

CHILD THEME DIRECTORY PATH
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<?php echo dirname( get_bloginfo('stylesheet_url')); ?>


display post thumbnail - particular size
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<?php the_post_thumbnail( array(400, 200) ); ?>