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Hello! Please help me correct errors in the code ..

Warning: Declaration of BP_Group_Categories::display() should be compatible with BP_Group_Extension::display($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 339

Warning: Declaration of BP_Group_Categories::edit_screen() should be compatible with BP_Group_Extension::edit_screen($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 339

Warning: Declaration of BP_Group_Categories::edit_screen_save() should be compatible with BP_Group_Extension::edit_screen_save($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 339

Warning: Declaration of BP_Group_Categories::create_screen() should be compatible with BP_Group_Extension::create_screen($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 339

Warning: Declaration of BP_Group_Categories::create_screen_save() should be compatible with BP_Group_Extension::create_screen_save($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 339

Warning: Declaration of BP_Group_Categories_UserGroups::display() should be compatible with BP_Group_Extension::display($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 390

Warning: Declaration of BP_Group_Categories_UserGroups::edit_screen() should be compatible with BP_Group_Extension::edit_screen($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 390

Warning: Declaration of BP_Group_Categories_UserGroups::edit_screen_save() should be compatible with BP_Group_Extension::edit_screen_save($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 390

Warning: Declaration of BP_Group_Categories_UserGroups::create_screen() should be compatible with BP_Group_Extension::create_screen($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 390

Warning: Declaration of BP_Group_Categories_UserGroups::create_screen_save() should be compatible with BP_Group_Extension::create_screen_save($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 390

Warning: Declaration of BP_Group_Categories_Create::display() should be compatible with BP_Group_Extension::display($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 508

Warning: Declaration of BP_Group_Categories_Create::edit_screen() should be compatible with BP_Group_Extension::edit_screen($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 508

Warning: Declaration of BP_Group_Categories_Create::edit_screen_save() should be compatible with BP_Group_Extension::edit_screen_save($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 508

Warning: Declaration of BP_Group_Categories_Create::create_screen() should be compatible with BP_Group_Extension::create_screen($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 508

Warning: Declaration of BP_Group_Categories_Create::create_screen_save() should be compatible with BP_Group_Extension::create_screen_save($group_id = NULL) in XXX\wp-content\plugins\bp-group-categoriestypes\includes\bp-grouptypes-classes.php on line 508

bp-grouptypes-classes.php ====

<?php
class BP_Category_Group {
	var $group_id;
	var $parent_group_id;
	
	/**
	 * BP_Category_Group()
	 *
	 * This is the constructor, it is auto run when the class is instantiated.
	 * It will either create a new empty object if no ID is set, or fill the object
	 * with a row from the table if an ID is provided.
	 */
	function BP_Category_Group( $group_id = null ) {
		global $wpdb, $bp;
		
		if ( $group_id ) {
			$this->group_id = $group_id;
			
			$this->populate( $this->group_id );
		}
	}
	
	/**
	 * populate()
	 *
	 * This method will populate the object with a row from the database, based on the
	 * ID passed to the constructor.
	 */
	function populate() {
		global $wpdb, $bp, $creds;
		$this->parent_group_id=groups_get_groupmeta($this->group_id, 'parent_cat');
		
	}
	
	function is_cat_group(){
		global $bp;
		if(groups_get_groupmeta($bp->groups->current_group->id, 'group_type')=='category')
			return true;
		return false;
	}
	
	function has_sub_categories(){
		global $wpdb,$bp;
		$sql = $wpdb->prepare( "SELECT * FROM {$bp->groups->table_name_groupmeta} WHERE meta_key = 'parent_cat' AND meta_value = %d", $bp->groups->current_group->id );
		if( $wpdb->get_row( $sql ))
			return true;
		return false;
	}
	
	function has_sub_groups(){
		global $wpdb,$bp;
		$sql = $wpdb->prepare( "SELECT gmcat.groupid FROM {$bp->groups->table_name_groupmeta} gmcat, {$bp->groups->table_name_groupmeta} gmtype WHERE gmcat.meta_key = 'parent_cat' AND gmcat.meta_value = %d AND gmtype.meta_key = 'group_type' AND gmtype.meta_value = 'user_group'", $bp->groups->current_group->id );
		if( $wpdb->get_var( $sql ))
			return true;
		return false;
	}
	
	function get_all_cats(){
		global $wpdb, $bp;
		$sql = $wpdb->prepare( "SELECT DISTINCT gmcat.group_id FROM {$bp->groups->table_name_groupmeta} gmcat, {$bp->groups->table_name_groupmeta} gmtype WHERE gmcat.meta_key = 'parent_cat' AND gmtype.meta_key = 'group_type' AND gmtype.meta_value = 'category'" );
		return $wpdb->get_col( $sql );
	}
	
	/**
	 * get_sub_cats()
	 *
	 * Accepts three parameters group type, page number, and limit.
	 * Returns sub category group ids based off of parameters. 
	 */	
	function get_sub_cats($group_type = null, $page = null, $limit = null){
		global $wpdb, $bp;
		if( $page && $limit ){
			$pag_sql = $wpdb->prepare( " LIMIT %d, %d", intval( ( $page - 1 ) * $limit), intval( $limit ) ); 
		}
		$sql = $wpdb->prepare( "SELECT DISTINCT gmcat.group_id, gmcat.meta_key, gmcat.meta_value as parent_cat, gmtype.meta_key, gmtype.meta_value as group_type FROM {$bp->groups->table_name_groupmeta} g, {$bp->groups->table_name_groupmeta} gmcat, {$bp->groups->table_name_groupmeta} gmtype WHERE  gmcat.meta_key = 'parent_cat' AND gmcat.meta_value = {$this->group_id} AND gmtype.meta_key = 'group_type' AND gmtype.meta_value = '{$group_type}'  {$pag_sql}" );
		$paged_groups = $wpdb->get_col( $sql );	
		
		$sql = $wpdb->prepare( "SELECT DISTINCT gmcat.group_id, gmcat.meta_key, gmcat.meta_value as parent_cat, gmtype.meta_key, gmtype.meta_value as group_type FROM {$bp->groups->table_name_groupmeta} g, {$bp->groups->table_name_groupmeta} gmcat, {$bp->groups->table_name_groupmeta} gmtype WHERE  gmcat.meta_key = 'parent_cat' AND gmcat.meta_value = {$this->group_id} AND gmtype.meta_key = 'group_type' AND gmtype.meta_value = '{$group_type}' AND gmcat.group_id = gmtype.group_id" );
		$total_groups = $wpdb->get_col( $sql );
		$count=0;
		//todo get rid of foreach use COUNT DISTINCT instead
		foreach($total_groups as $group_id)
			$count++;
		$total_groups=$count;
		return array( 'groups' => $paged_groups, 'total' => $total_groups );
	}

/*  Dont need these anymore	save incase needed in later version
	function is_sub_cat($id){
		global $wpdb, $bp;
		$sql = $wpdb->prepare( "SELECT * FROM {$bp->groups->table_name_groupmeta} WHERE meta_key = 'parent_cat' AND meta_value = %d AND group_id = %d", $this->group_id , $id );
		if($wpdb->get_row( $sql ))
			return true;
		return false;
	}
	
	function is_user_group($id){
		global $wpdb, $bp;
		$sql = $wpdb->prepare( "SELECT * FROM {$bp->groups->table_name_groupmeta} WHERE meta_key = 'parent_cat' AND meta_value = %d AND group_id = %d", $this->group_id , $id );
		if($wpdb->get_row( $sql ))
			return true;
		return false;
	}
*/	
// TODO combine display_categories() and display_userGroups() into one function and add in a group type parameter
	function display_categories(){
		global $bp;
		$urlstr = $_SERVER["REQUEST_URI"];
		$current=strpos($urlstr,'?page=');
		if(!$current){
			$current=1;
		}
		else
			$current=substr($urlstr,(int)($current)+6);
		$limit = 5;
		$subcats=$this->get_sub_cats('category', $current, $limit);		
		$total_subcats = $subcats['total'];
		$paged_subcats = $subcats['groups'];
		$paged_subcats_num = 0;
		foreach($paged_subcats as $groupid)
			 $paged_subcats_num++;
		$pagination = array(
	  'base' => site_url() . '/' . $bp->groups->slug . '/' . bp_get_group_slug() . '/sub-categories%_%', //%_% is replaced by the format below
	  'format' => '?page=%#%', // ?page=%#% : %#% is replaced by the page number
	  'total' => round(($total_subcats / $limit)+0.4),
	  'current' => $current,
	  'show_all' => false,
	  'prev_next' => true,
	  'prev_text' => __('&larr;'),
	  'next_text' => __('&rarr;'),
	  'end_size' => 5,
	  'mid_size' => 2,
	  'type' => 'plain',
	  'add_args' => false, // array of query args to add
	  'add_fragment' => ''
		);
		?>
		<h4>Sub Categories</h4>
		<?php
		if($current>1){
			$first_group=(($current-1)*$limit)+1;
			$sec_group = ($first_group)+$paged_subcats_num-1;
		} else{
			$first_group=1;
			$sec_group = $paged_subcats_num;
		}
		?>
		<div class="pag-count" id="group-dir-count">Viewing group <?php echo $first_group ?> to <?php echo $sec_group ?> (of <?php echo $total_subcats ?> groups)</div>
		<?php
	  	echo paginate_links( $pagination );
	  	?>
	  	<ul id="groups-list" class="item-list">
	  	<?php
		foreach($paged_subcats as $groupid){
			$group = new BP_Groups_Group($groupid);
			 if ( !$avatar = bp_core_fetch_avatar( array( 'item_id' => $group->id, 'object' => 'group', 'type' => 'thumb', 'avatar_dir' => 'group-avatars', 'alt' => __( 'Group avatar', 'buddypress' ), 'id' => $group->id, 'class' => 'avatar' ) ) )
             	$avatar = '<img src="' . attribute_escape( $group->avatar_thumb ) . '" class="avatar" alt="' . attribute_escape( $group->name ) . '" />';
 
			?>
			<li>
					<div class="item-avatar">
						<a href="<?php echo $bp->root_domain . '/' . $bp->groups->slug . '/' . $group->slug . '/'  ?>"><?php echo $avatar;//bp_get_group_avatar( 'id='.$group->id ) ?></a>
					</div>
		
					<div class="item">
						<div class="item-title"><a href="<?php echo $bp->root_domain . '/' . $bp->groups->slug . '/' . $group->slug . '/' ?>"><?php echo $group->name ?></a></div>
						<div class="item-meta"><span class="activity"><?php printf( __( 'active %s ago', 'buddypress' ), bp_get_group_last_active($group) ) ?></span></div>
		
						<div class="item-desc"><?php echo bp_create_excerpt( bp_get_group_description($group), 20) ?></div>
		
						<?php do_action( 'bp_directory_groups_item' ) ?>
					</div>
					
					<div class="action">
						<?php bp_group_join_button($group) ?>

					<div class="meta">
						<?php bp_get_group_type($group) ?>
					</div>

						<?php do_action( 'bp_directory_groups_actions' ) ?>
					</div>
		
					<div class="clear"></div>
			</li>
			
			<?php	
		}
		?>
		</ul>
		<?php
		echo paginate_links( $pagination );	
	}
	
	function display_userGroups(){
		global  $bp;
		$urlstr = $_SERVER["REQUEST_URI"];
		$current=strpos($urlstr,'?page=');
		if(!$current){
			$current=1;
		}
		else
			$current=substr($urlstr,(int)($current)+6);
		$limit = 20;
		$subcats=$this->get_sub_cats('user_group', $current, $limit);
		$total_subcats = $subcats['total'];
		$paged_subcats = $subcats['groups'];
		$paged_subcats_num = 0;
		foreach($paged_subcats as $groupid)
			 $paged_subcats_num++;
		$pagination = array(
	  'base' => site_url() . '/' . $bp->groups->slug . '/' . bp_get_group_slug() . '/groups%_%', //%_% is replaced by format (below)
	  'format' => '?page=%#%', // ?page=%#% : %#% is replaced by the page number
	  'total' => round(($total_subcats / $limit)+0.4),
	  'current' => $current,
	  'show_all' => false,
	  'prev_next' => true,
	  'prev_text' => __('&larr;'),
	  'next_text' => __('&rarr;'),
	  'end_size' => 5,
	  'mid_size' => 5,
	  'type' => 'plain',
	  'add_args' => false, // array of query args to add
	  'add_fragment' => ''
		);
		?>
					<h4>Groups</h4>
		<?php
		if(!((int)$total_subcats>0)):
		?>
			<div id="message"><p>Sorry there are no groups filed under this category.  You can create one if you like.</p></div>
		<?php
		else:
		if($current>1){
			$first_group=(($current-1)*$limit)+1;
			$sec_group = ($first_group)+$paged_subcats_num-1;
		} else{
			$first_group=1;
			$sec_group = $paged_subcats_num;
		}
		?>
		<div class="pag-count" id="group-dir-count">Viewing group <?php echo $first_group ?> to <?php echo $sec_group ?> (of <?php echo $total_subcats ?> groups)</div>
		<?php
		endif;
		echo paginate_links($pagination);
		?>
			<ul id="groups-list" class="item-list">
		<?php
		foreach($paged_subcats as $groupid){
			$group = new BP_Groups_Group($groupid);
			if ( !$avatar = bp_core_fetch_avatar( array( 'item_id' => $group->id, 'object' => 'group', 'type' => 'thumb', 'avatar_dir' => 'group-avatars', 'alt' => __( 'Group avatar', 'buddypress' ), 'id' => $group->id, 'class' => 'avatar' ) ) )
             	$avatar = '<img src="' . attribute_escape( $group->avatar_thumb ) . '" class="avatar" alt="' . attribute_escape( $group->name ) . '" />';
 
			?>
			<li>
					<div class="item-avatar">
						<a href="<?php echo $bp->root_domain . '/' . $bp->groups->slug . '/' . $group->slug . '/'  ?>"><?php echo $avatar;//bp_group_avatar( 'type=thumb&width=50&height=50&class=avatar&id='.$group->id ) ?></a>
					</div>
		
					<div class="item">
						<div class="item-title"><a href="<?php echo $bp->root_domain . '/' . $bp->groups->slug . '/' . $group->slug . '/' ?>"><?php echo $group->name ?></a></div>
						<div class="item-meta"><span class="activity"><?php printf( __( 'active %s ago', 'buddypress' ), bp_get_group_last_active($group) ) ?></span></div>
		
						<div class="item-desc"><?php bp_create_excerpt( $group->description, 20 ) ?></div>
		
						<?php do_action( 'bp_directory_groups_item' ) ?>
					</div>
		
					<div class="action">
						<?php bp_group_join_button($group) ?>
		
						<div class="meta">
							<?php echo bp_get_group_type($group) ?> / <?php echo $group->total_member_count; ?>
						</div>
		
						<?php do_action( 'bp_directory_groups_actions' ) ?>
					</div>
		
					<div class="clear"></div>
			</li>
			
			<?php	
		}
		?>
		</ul>
		<?php
		echo paginate_links( $pagination );
	}
	
}
// TODO combine all these group extensions into one if possible and move these out of here
class BP_Group_Categories extends BP_Group_Extension {	

	function BP_Group_Categories() {
		global $bp;
		$this->name = 'Sub Categories';
		$this->slug = 'sub-categories';
		$this->visibilty='public';
		$this->enable_edit_item=false;
		$this->enable_create_step = false;
		$this->nav_item_position = 41;
		$this->enable_nav_item = $this->enable_nav_item(); // make sure this is a categories group and it has sub categories
		bp_core_remove_subnav_item( $bp->groups->slug, 'send-invites' );
		bp_core_remove_subnav_item( $bp->groups->slug, 'members');
	}

	function create_screen() {

	}

	function create_screen_save() {

	}

	function edit_screen() {

	}

	function edit_screen_save() {
	}

	function display() {
		/* Use this function to display the actual content of your group extension when the nav item is selected */
		global $bp,$wp_query;
		$displaygroup= new BP_Category_Group($bp->groups->current_group->id);
		$displaygroup->display_categories();
	}
	
	function enable_nav_item() {
	if ( ( BP_Category_Group::has_sub_categories() ) )
		return true;
	else
		return false;
	}

	function widget_display() { 
		
	}
}
if(BP_Category_Group::is_cat_group())
bp_register_group_extension( 'BP_Group_Categories' );

class BP_Group_Categories_UserGroups extends BP_Group_Extension {	

	function BP_Group_Categories_UserGroups() {
		global $bp;
		$this->name = 'Groups';
		$this->slug = 'groups';
		$this->visibilty='public';
		$this->enable_edit_item=false;
		$this->enable_create_step = false;
		$this->nav_item_position = 51;
		$this->enable_nav_item = true; // make sure this is a categories group and it has sub categories
		bp_core_remove_subnav_item( $bp->groups->slug, 'send-invites' );
		bp_core_remove_subnav_item( $bp->groups->slug, 'members');
	}

	function create_screen() {

	}

	function create_screen_save() {

	}

	function edit_screen() {

	}

	function edit_screen_save() {
	}

	function display() {
		// Use this function to display the actual content of your group extension when the nav item is selected 
		global $bp;
		$displaygroup= new BP_Category_Group($bp->groups->current_group->id);
		$displaygroup->display_userGroups();
	}

	function widget_display() { ?>
		<div class="info-group">
			<h4><?php echo attribute_escape( $this->name ) ?></h4>
			<p>
				You could display a small snippet of information from your group extension here. It will show on the group
				home screen.
			</p>
		</div>
		<?php
	}
}
if(BP_Category_Group::is_cat_group())
bp_register_group_extension( 'BP_Group_Categories_UserGroups' );

	function display_breadcrumb(){
		global $bp;
		?>
		<div style="float:left;"id="bp-group-cat-breadcrumb">
		<div style="float:left;margin:0;padding:0;">
					<a title="Go To Home." href="<?php echo $bp->root_domain . '/'; ?>">Home</a>
		</div>
		<div style="float:left;margin:0;padding:0;">
					&rarr; <a title="Go To Groups." href="<?php echo $bp->root_domain . '/' . $bp->groups->slug . '/'; ?>">Groups</a>
		</div>
		<?php
		$breadcrumb="";
		$group_id=$bp->groups->current_group->id;
			while($group_id!=-1&&$group_id!=0):
				$group= new BP_Groups_Group($group_id);
				$breadcrumb=substr_replace($breadcrumb,'<div style="float:left;margin:0;padding:0;">&rarr; <a title="Go To Group '.$group->name.'." href="'.bp_get_group_permalink($group).'">'.$group->name.'</a></div>',0,0);
				$group_id=groups_get_groupmeta($group_id, 'parent_cat');
			endwhile;
			echo $breadcrumb;
		?></div>
		<?php
	}
	add_action('bp_after_group_header' , 'display_breadcrumb');
	function display_create(){
		global $bp;
		?>
				<label for="target_uri"><?php _e( 'How to categorize this group?', 'bp-group-types' ) ?></label>
				<select name="bp-groupcats-parent-group">
 				<option selected="selected"value="0">No Category</option>
				 			<?php $catgroups = BP_Category_Group::get_all_cats();
				 			foreach($catgroups as $catid):
				 				$catgroup = new BP_Groups_Group($catid);
				 				$parent = (int)groups_get_groupmeta($bp->groups->current_group->id,'parent_cat');
				 				?>	
				    			<option <?php if($parent==$catid) echo'selected="selected"' ?>value="<?php echo $catid; ?>"><?php echo $catgroup->name; ?></option>
							<?php endforeach; ?>
				</select>
		<?php if(is_site_admin()):
			if(groups_get_groupmeta($bp->groups->current_group->id, 'group_type')=='category')
				$current_type=groups_get_groupmeta($bp->groups->current_group->id, 'group_type');
			else
				$current_type='user_group';
		?>
		<label for="target_uri"><?php _e( 'What type of group?', 'bp-group-types' ) ?></label>
			<input type="radio" name="bp-group-type" value="user_group" <?php if($current_type=='user_group') echo 'CHECKED'  ?> /> User Group<br />
			<input type="radio" name="bp-group-type" value="category" <?php if($current_type=='category') echo 'CHECKED' ?> /> Category
		<?php
		endif;
	}

	function display_create_save(){
		global $bp;
		if(isset($_POST['bp-groupcats-parent-group']))
			groups_update_groupmeta($bp->groups->current_group->id, 'parent_cat',$_POST['bp-groupcats-parent-group']);
		else
		groups_update_groupmeta($bp->groups->current_group->id,'parent_cat', 0);
		if(isset($_POST['bp-group-type']))
		groups_update_groupmeta($bp->groups->current_group->id,'group_type',$_POST['bp-group-type']);
		else
		groups_update_groupmeta($bp->groups->current_group->id,'group_type','user_group');
	}

class BP_Group_Categories_Create extends BP_Group_Extension {	

	function BP_Group_Categories_Create() {
		global $bp;
		$this->name = 'Category';
		$this->slug = 'category';
		$this->visibilty='public';
		$this->enable_edit_item=true;
		$this->create_step_position = 2;
		$this->enable_nav_item = false;
	}

	function create_screen() {
		global $bp;
		if ( !bp_is_group_creation_step( $this->slug ) )
			return false;
		
		display_create();
		wp_nonce_field( 'groups_create_save_' . $this->slug );
	}

	function create_screen_save() {
		global $bp;
		check_admin_referer( 'groups_create_save_' . $this->slug );
		display_create_save();
	}

	function edit_screen() {
		global $bp;
		display_create();
		?>
		<br /><br />
		<input type="submit" name="save" value="Save Category Settings" />
		<?php
		wp_nonce_field( 'groups_edit_save_' . $this->slug );
	}

	function edit_screen_save() {
		global $bp;
		if(!isset($_POST['save']))
			return false;
		check_admin_referer( 'groups_edit_save_' . $this->slug );
		display_create_save();
	}

	function display() {

	}

	function widget_display() {

	}
}
bp_register_group_extension( 'BP_Group_Categories_Create' );

?>

[I posted this in the bbPress support forum but posting here too in case it’s more relevant here]

I set up bbPress following the steps in “C. Set Up Group Forums Only” in these instructions: https://codex.buddypress.org/getting-started/installing-group-and-sitewide-forums/

To test the group forums, I created a main category called “Group Forums” to be the parent of all group forums. (I don’t know why I have to do this, but I did what the instructions said. Anyone know why this is necessary if I just don’t create any forums outside of groups?)

Anyway,
I have a forum under a buddypress group with the permalink structure /groups/group-name/forum/

I then created a sub-forum but when I click on it the permalink structure changes to /forums/forum/group-forums/group-forum-name/sub-forum-name/
Which means that I’m now taken out of the groups page and in a separate forums page instead.

Is it possible to change it so that all sub-categories and sub-forums stay within the group?

This is necessary for the community I’m trying to create so that the page design is consistent and users don’t feel like they’re out of the group when they click on sub-forums.

Any help with this would be appreciated!

Hello,

I’m trying to change something in member-header.php, but the change does not take effect.
But changes in register.php does take effect.

/wp-content/themes/socialize-child/buddypress/members/single/member-header.php
/wp-content/themes/socialize-child/buddypress/members/register.php

Thanks for help.
Jan