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<?php 
/**
>> WP Foto Vote <<How can I allow for users to vote as many times as they wish for any photos?     

Add it to your theme functions.php for example. 

#### Note: you must have option Fast Voting (Photo Contest => Settings => Voting) disabled. ####
*/

// Allow for all
// Note: You can use just one of this lines for disable one of checks.

add_filter('fv/vote/need_check_ip_query', '__return_false', 10, 1);   // Disalbe IP check
add_filter('fv_vote_check_cookies', '__return_false', 10, 1);         // Disalbe Cookies check

#################################################################

// Allow for user with specified Capabilities
// https://codex.wordpress.org/Roles_and_Capabilities#Capability_vs._Role_Table

add_filter('fv/vote/need_check_ip_query', 'filter_fv_vote_not_need_check_ip_and_cookies', 10, 1);
add_filter('fv_vote_check_cookies', 'filter_fv_vote_not_need_check_ip_and_cookies', 10, 1);

function filter_fv_vote_not_need_check_ip_and_cookies() {
  // disable for Administrator
  if ( current_user_can('manage_options')  ) {
    return false;
  }
  return true;
}