Search by post ID for manual posts

Fixes #195

includes/admin/modules/metabox.php

@@ -338,14 +338,18 @@ function crp_get_posts_action() {
 		wp_send_json_error();
 	}
 
-	$args   = array(
+	$args = array(
 		'postid'           => $postid,
 		'posts_per_page'   => 5,
 		'keyword'          => $search_term,
 		'exclude_post_ids' => $exclude_post_ids,
 		'manual_related'   => 0,
 		'include_words'    => $search_term,
 	);
+	if ( is_numeric( $search_term ) ) {
+		$args['include_post_ids'] = array( $search_term );
+	}
+
 	$posts  = get_crp_posts( $args );
 	$result = array();
 	foreach ( $posts as $post ) {

readme.txt

@@ -135,6 +135,9 @@ Contextual Related Posts is one of the many plugins developed by WebberZone. Che
 
 = 3.4.2 =
 
+* Enhancements:
+    * Live Search in the Manual Related Posts field now searches by post ID if you enter a number
+
 * Bug fix:
     * Bug in Include Words functionality where all post types were incorrectly included
     * Compatibility issue with PolyLang. Return the default post if pll_get_post returns false