Posts with the external_url custom field set will use that for the ur…

…l. Trying to access a post with the external_url set will automatically redirect you to the set url.

.gitignore

@@ -16,3 +16,4 @@ sass/_notes/dwsync.xml
 css/_notes/dwsync.xml
 
 js/_notes/dwsync.xml
+/nbproject/private/

functions.php

@@ -315,6 +315,23 @@ else{
 	}	
 }
 
+function external_link_for_posts( $url, $post, $leavename=false ) {
+	if (get_field('external_url') && $post->post_type == 'post') {
+		$url = get_field('external_url');
+	} 
+        return $url;
+}
+add_filter( 'post_link', 'external_link_for_posts', 10, 3 );
+
+function redirect_if_external_url(){
+    $post_types = array('post');
+    if (get_field('external_url') && is_singular($post_types)) {
+        wp_redirect(get_field('external_url'));
+        exit;
+    }
+}
+add_action('template_redirect', 'redirect_if_external_url');
+
 //function report_blank_alt() {	
 //	mail('joshua.roy@uconn.edu', 'Empty Alt Tag', 'Image with empty alt tag found at '.$_POST['location'].' on image '.$_POST['image']);
 //}