| @@ -4,10 +4,10 @@ | ||
| 4 | 4 | * |
| 5 | 5 | * User related functions. |
| 6 | 6 | * |
| 7 | 7 | * @package Charitable/Functions/User |
| 8 | - * @author Eric Daams | |
| 9 | - * @copyright Copyright (c) 2022, Studio 164a | |
| 8 | + * @author David Bisset | |
| 9 | + * @copyright Copyright (c) 2023, WP Charitable LLC | |
| 10 | 10 | * @license http://opensource.org/licenses/gpl-2.0.php GNU Public License |
| 11 | 11 | * @since 1.0.0 |
| 12 | 12 | * @version 1.6.0 |
| 13 | 13 | */ |
| @@ -200,4 +200,31 @@ | ||
| 200 | 200 | */ |
| 201 | 201 | function charitable_get_donor_id_by_email( $email ) { |
| 202 | 202 | return charitable_get_table( 'donors' )->get_donor_id_by_email( $email ); |
| 203 | 203 | } |
| 204 | + | |
| 205 | +/** | |
| 206 | + * Checks to see if the specified email address has a Gravatar image. | |
| 207 | + * | |
| 208 | + * @param $email The email of the address of the user to check | |
| 209 | + * @return boolean | |
| 210 | + * @since 1.0.2 | |
| 211 | + */ | |
| 212 | +function charitable_user_has_gravatar( $email ) { | |
| 213 | + $hash_key = md5( strtolower( trim( $email ) ) ); | |
| 214 | + $has_gravatar = wp_cache_get( $hash_key, 'default', false, $uncached ); | |
| 215 | + | |
| 216 | + if ( $uncached === $has_gravatar ) { | |
| 217 | + if ( is_ssl() ) { | |
| 218 | + $url = sprintf( 'https://secure.gravatar.com/avatar/%s?d=404', $hash_key ); | |
| 219 | + } else { | |
| 220 | + $url = sprintf( 'http://www.gravatar.com/avatar/%s?d=404', $hash_key ); | |
| 221 | + } | |
| 222 | + | |
| 223 | + $response = wp_remote_get( $url ); | |
| 224 | + $has_gravatar = 200 == wp_remote_retrieve_response_code( $response ); | |
| 225 | + | |
| 226 | + wp_cache_set( $hash_key, $has_gravatar, '', 60 * 5 ); | |
| 227 | + } | |
| 228 | + | |
| 229 | + return $has_gravatar; | |
| 230 | +} | |
