functions.php

function crum_changed_content($num,$no_more = false)
{
	global $post;
	$options = get_option('second-touch');


	if ($options['read_more_style'] == '0'){
		$read_more_link = '<a href="'. get_permalink($post->ID) . '" class="link-read-more"> </a>';
	}else{
		$read_more_link = '<a href="'. get_permalink($post->ID) . '"> '.__('Read more','crum').'</a>';
	}
    if ($no_more == true) {
        $read_more_link ='';
    }

	$theContent = '';

	if ( has_excerpt() ) {
		$theContent = get_the_excerpt();
	}
    if ($theContent == '') {
        $theContent = get_the_content();
    }
	$output = preg_replace('/<img[^>]+./', '', $theContent);
	$output = preg_replace('/<blockquote>.*<\/blockquote>/', '', $output);
	$output = preg_replace('|\[(.+?)\](.+?\[/\\1\])?|s', '', $output);
	$output = strip_tags($output);
	$limit = $num + 1;
	$content = explode(' ', $output, $limit);
	array_pop($content);
	$content = implode(" ", $content);
	if (strlen($content) > 0){
		$content = $content . $read_more_link;
	}else{
		$content = '';
	}
	echo $content;
}