Function to only display posts of a certain category on the posts home page

diff --git a/functions.php b/functions.php
index adf378a..c4b6b22 100644 (file)
--- a/functions.php
+++ b/functions.php
@@ -118,6 +118,17 @@ function glm_get_header() {
 //    echo '</div>';
 
 
+/**
+ * This function will ensure only the posts from a certain category will display
+ * on the blog/post home page.
+ */
+function my_home_category( $query ) { 
+    if ( $query->is_home() && $query->is_main_query() ) { 
+        $query->set( 'cat', '29');  
+    }    
+} 
+add_action( 'pre_get_posts', 'my_home_category' );
+
 /**
  * glm_side_menu
  *