WordPress Excerpt Related Functions from TwentyTen Theme

wordpress-excerpt-functions.php

<?php 
/**
* Sets the post excerpt length to 40 characters.
*/
function twentyten_excerpt_length( $length ) {
	return 40;
}
add_filter( 'excerpt_length', 'twentyten_excerpt_length' );

/**
 * Returns a "Continue Reading" link for excerpts
 * @return string "Continue Reading" link
 */

function twentyten_continue_reading_link() {
	return ' <a href="'. get_permalink() . '">' . __( '<div style="text-align:right; clear:both;">Read full post</div>', 'twentyten' ) . '</a>';
}


/**
 * Replaces "[...]" (appended to automatically generated excerpts) with an ellipsis and twentyten_continue_reading_link().
 */

function twentyten_auto_excerpt_more( $more ) {
	return ' &hellip;' . twentyten_continue_reading_link();
}
add_filter( 'excerpt_more', 'twentyten_auto_excerpt_more' );

/**
 * Adds a pretty "Continue Reading" link to custom post excerpts.
 */

function twentyten_custom_excerpt_more( $output ) {
	if ( has_excerpt() && ! is_attachment() ) {
		$output .= twentyten_continue_reading_link();
	}
	return $output;
}
add_filter( 'get_the_excerpt', 'twentyten_custom_excerpt_more' );
?>