add Linkedin share link

content-single.php

@@ -1,6 +1,7 @@
 <?php
 // This is used when viewing a single post. 
 ?>
+
 <article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
 	<header class="entry-header">
 		<?php /* if ( has_post_thumbnail() ) {
@@ -30,7 +31,9 @@
 			if(empty($twittershareline)) $twittershareline = get_the_title();
 			$facebookshareline = get_post_meta( $post->ID, 'facebookshareline', true);
 			if(empty($facebookshareline)) $facebookshareline = get_the_title();
-
+			$linkedinshareline = get_post_meta( $post->ID, 'linkedinshareline', true);
+			if(empty($linkedinshareline)) $linkedinshareline = get_the_title();
+
 			?>
         	<div class="shareline-twitter">
             	<a href="#" onclick="window.open('https://twitter.com/intent/tweet?text=<?php echo urlencode(preg_replace("/&#?[a-z0-9]+;/i","",html_entity_decode($twittershareline)));?>&url=<?php echo urlencode(get_permalink()); ?>&via=UConnBusiness', 'Twitter', 'width=500,height=500');"><span class="social social-twitter"></span><span><?php echo $twittershareline; ?></span></a>
@@ -39,6 +42,11 @@
             <div class="shareline-facebook">
             	<a href="http://www.facebook.com/sharer/sharer.php?u=<?php the_permalink(); ?>"><span class="social social-facebook"></span><span><?php echo $facebookshareline; ?></span></a>
             </div>
+
+
+            <div class="shareline-linkedin">
+            	<a href="https://www.linkedin.com/shareArticle?mini=true&url=<?php echo urlencode(the_permalink()); ?>&title=<?php echo $linkedinshareline; ?>&summary=<?php echo urlencode(get_the_excerpt()); ?>&source=UConn-Aurora"><span class="social social-linkedin"></span><span><?php echo $linkedinshareline; ?></span></a>
+            </div>
         </div>
 
 		<?php the_content(); ?>
@@ -101,7 +109,7 @@
 		?>
 
        </div> 
-
+              
 <div id="social-buttons"> 
 	<div class="row">
          <div class="col-sm-2">Share on:</div>