optimize query and object caching

core/um-profile.php

@@ -2,6 +2,9 @@
 
 class UM_Profile {
 
+	public $arr_user_slugs = array();
+	public $arr_user_roles = array();
+
 	function __construct() {
 
 		add_action('template_redirect', array(&$this, 'active_tab'), 10002);

core/um-query.php

@@ -2,6 +2,9 @@
 
 class UM_Query {
 
+	public $wp_pages = array();
+	public $roles = array();
+
 	function __construct() {
 		
 		add_action('wp_loaded', array(&$this, 'get_post_types'), 100 );
@@ -13,6 +16,11 @@ class UM_Query {
 	***/
 	function wp_pages() {
 		global $wpdb;
+
+		if( isset( $this->wp_pages ) && ! empty( $this->wp_pages ) ){
+			return $this->wp_pages;
+		}
+
 		$pages = $wpdb->get_results('SELECT * FROM '.$wpdb->posts.' WHERE post_type = "page" AND post_status = "publish" ', OBJECT);
 		$count_pages = $wpdb->num_rows;
 		
@@ -26,6 +34,8 @@ class UM_Query {
 			}
 		}
 
+		$this->wp_pages = $array;
+
 		return $array;
 	}
 	
@@ -356,19 +366,34 @@ class UM_Query {
 	***	@Query for UM roles
 	***/
 	function get_roles( $add_default = false, $exclude = null ){
-	
+		
+		$exclude_str = '';
+
+		if( ! is_null( $exclude ) && is_array( $exclude ) ){
+			$exclude_str = implode('_', $exclude );
+		}
+
+		if( isset( $this->roles['is_add_default_'.$add_default ][ 'is_exclude_'.$exclude_str ] ) ){
+			return $this->roles['is_add_default_'.$add_default ][ 'is_exclude_'.$exclude_str ];
+		}
+
 		$roles = array();
 		
-		if ($add_default) $roles[0] = $add_default;
+		if ( $add_default ) {
+			$roles[0] = $add_default;
+		}
 		
 		$args = array(
 			'post_type' => 'um_role',
 			'posts_per_page' => -1,
 			'post_status' => array('publish')
 		);
+		
 		$results = new WP_Query($args);
-		if ($results->posts){
-			foreach($results->posts as $post) { setup_postdata($post);
+
+		if ( $results->posts ){
+
+			foreach($results->posts as $post) { setup_postdata( $post );
 			
 				if ( $this->is_core( $post->ID ) ){
 					$roles[ $this->is_core( $post->ID ) ] = $post->post_title;
@@ -377,6 +402,7 @@ class UM_Query {
 				}
 				
 			}
+
 		} else {
 		
 			$roles['member'] = 'Member';
@@ -389,7 +415,9 @@ class UM_Query {
 				unset($roles[$role]);
 			}
 		}
-	
+		
+		$this->roles['is_add_default_'.$add_default ][ 'is_exclude_'.$exclude_str ] = $roles;
+
 		return $roles;
 		
 	}

core/um-short-functions.php

@@ -1550,7 +1550,11 @@ function um_fetch_user( $user_id ) {
 	 * @return integer
 	 */
 	function um_is_meta_value_exists( $key, $value, $return_user_id = false ){
-		global $wpdb;
+		global $wpdb, $ultimatemember;
+
+		if( isset( $ultimatemember->profile->arr_user_slugs[ 'is_'.$return_user_id ][ $key ] ) ){
+			return $ultimatemember->profile->arr_user_slugs[ 'is_'.$return_user_id ][ $key ];
+		}
 
 		if( ! $return_user_id ){
 			$count = $wpdb->get_var( $wpdb->prepare(
@@ -1559,14 +1563,18 @@ function um_fetch_user( $user_id ) {
 					$value
 			) );
 
+			$ultimatemember->profile->arr_user_slugs[ 'is_'.$return_user_id ][ $key ] = $count;
+
 			return $count;
 		}
-
+			
 			$user_id = $wpdb->get_var( $wpdb->prepare(
 					"SELECT user_id FROM {$wpdb->usermeta} WHERE meta_key = %s AND meta_value = %s ",
 					$key,
 					$value
 			) );
+			
+			$ultimatemember->profile->arr_user_slugs[ 'is_'.$return_user_id ][ $key ] = $user_id;
 
 			return $user_id;
 

core/um-user.php

@@ -642,6 +642,8 @@ class UM_User {
 	 *
 	 */
 	function get_role() {
+		global $ultimatemember;
+
 		if (isset($this->profile['role']) && !empty( $this->profile['role'] ) ) {
 			return $this->profile['role'];
 		} else {
@@ -653,10 +655,40 @@ class UM_User {
 		}
 	}
 
-	function get_role_name( $slug ) {
-		global $wpdb;
-		$post_id = $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_status = 'publish' AND post_type = 'um_role' AND post_name = '$slug'");
-		return get_the_title( $post_id );
+	function get_role_name( $slug, $return_role_id = false ) {
+		global $wpdb, $ultimatemember;
+
+		if( isset( $ultimatemember->profile->arr_user_roles[ 'is_'.$return_role_id ][ $slug ] ) ){
+			return $ultimatemember->profile->arr_user_roles[ 'is_'.$return_role_id ][ $slug ];
+		}
+
+		$args = array(
+		    	'posts_per_page' => 1,
+		    	'post_type' => 'um_role',
+		    	'name'	=> $slug,
+		    	'post_status' => array('publish'),
+		);
+
+		$roles = new WP_Query( $args );
+		$role_id = 0;
+		$role_title = '';
+
+		if ( $roles->have_posts() ) {
+			while ( $roles->have_posts() ) {
+				$roles->the_post();
+				$role_id = get_the_ID();
+				$role_title = get_the_title();
+			}
+		}
+
+		$ultimatemember->profile->arr_user_roles[ 'is_1' ][ $slug ] = $role_id;
+		$ultimatemember->profile->arr_user_roles[ 'is_'  ][ $slug ] = $role_title;
+
+		if( $return_role_id ){
+			return $role_id;
+		}
+		
+		return $role_title;
 	}
 
 	/***