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Codex HomeDeveloper Resources → Activity Stream and date_query

Activity Stream and date_query

If you have a lot of activity entries on your site, load times can suffer dramatically when viewing activity streams.

You can use the date_query argument to speed things up by limiting the entries to only those from the past day or week or month, etc.

But you cannot add it as a string in the usual fashion. For example, adding a per_page argument:

<?php if ( bp_has_activities( bp_ajax_querystring( 'activity' ) . '&per_page=20' ) ) : ?>

Instead, you need to use an array, which is easy enough until you try to include the value of bp_ajax_querystring( ‘activity’ ) as an argument and the ‘Load More’ button stops working properly.

Here’s the solution. You can paste it in your overload of the activity-loop template or you could use the bp_before_has_activities_parse_args filter.

<?php

$qs = bp_ajax_querystring( 'activity' );
wp_parse_str( $qs, $activity_args );

// set the limit to 1 week ago 
$date_limit = date('Y-m-d H:i:s', strtotime('-1 week'));

$activity_args['date_query'] = array(
	array(
	     'after' => $date_limit, 
	),
);

$activity_args['per_page'] = 5;

?>

<?php if ( bp_has_activities(  $activity_args  ) ) : ?>

// etc. 

Note the use of wp_parse_str to add the query string needed for the ‘Load More’ button.

And you can use conditionals to change the date_query argument depending on which activity stream you’re viewing:

if ( bp_is_activity_directory() ) {

	$date_limit = date("Y-m-d H:i:s", strtotime("-1 week")); 
	
} elseif( bp_is_group() ) {

	$date_limit = date("Y-m-d H:i:s", strtotime("-1 month")); 
	
} else { // profile stream

	$date_limit = date("Y-m-d H:i:s", strtotime("-1 year")); 
	
}
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