Custom WP Avatar via Gravity Forms Upload Field and Gravity Forms Users Registration Add-On

functions.php

<?php 
/*
Author: Mauricio Gofas
Author URL: https://www.gofas.com.br
*/
// Custom Avatar via Gravity forms upload field
add_filter( 'get_avatar' , 'gfca_custom_avatar' , 1 , 5 );
function gfca_custom_avatar( $avatar, $id_or_email, $size, $default, $alt ) {
	$current_user = wp_get_current_user();
	$gfca_avatar = $current_user->your_custom_profile_image;
  	if ( $gfca_avatar ) {
    $avatar = $gfca_avatar; // Gravity Forms Avatar
    $avatar = "<img alt='{$alt}' src='{$avatar}' class='avatar avatar-{$size} photo' height='{$size}' width='{$size}' />";
	}
    return $avatar;
}
// End Custom Avatar via Gravity forms pload field
?>