I am using bbPress on my site and have (bbPress) Login Widget on my sidebar. Is there a way to change the default image size from 40 to 80 or other number? here is the code from the core files:

<?php echo get_avatar( bbp_get_current_user_id(), '40' ); ?>

How do I change that default 40 px without editing the core files?
Can i filter it somehow?

Thanks in advance, you are my last hope to find answer to this problem of mine!

1 Answer 1


You can filter 'get_avatar':

add_filter( 'get_avatar', 'wpse_67657_new_avatar', 10, 5 );

function wpse_67657_new_avatar( $avatar, $id_or_email, $size, $default, $alt )
    // create a new img element or …
    $new = str_replace( 's=40', 's=80', $avatar );
    $new = str_replace( 'avatar-40', 'avatar-80', $new );
    $new = str_replace( " height='40' width='40'", " height='80' width='80'", $new );
    return $new;

Filtering the size only is currently not possible.

  • well if i want to change the size to 80 how should this function look like?
    – Radi
    Commented Oct 9, 2012 at 18:47
  • @Radi I have included an example now. It is not tested, more a general idea.
    – fuxia
    Commented Oct 9, 2012 at 18:55

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