Users: Add support for Initials and Color Gravatar images in default user profile pics.

Gravatar includes support for Initials and Color auto-generated images. This changeset adds them to the built-in feature for user profile images.

Props haozi, audrasjb, getsyash, valentingrenier.
Fixes #63087.
See #57493.



git-svn-id: https://develop.svn.wordpress.org/trunk@60269 602fd350-edb4-49c9-b593-d223f7449a82

Author: audrasjb

src/wp-admin/options-discussion.php

@@ -309,6 +309,8 @@
 	'monsterid'        => __( 'MonsterID (Generated)' ),
 	'retro'            => __( 'Retro (Generated)' ),
 	'robohash'         => __( 'RoboHash (Generated)' ),
+	'initials'         => __( 'Initials (Generated)' ),
+	'color'            => __( 'Color (Generated)' ),
 );
 /**
  * Filters the default avatars.

src/wp-includes/link-template.php

@@ -4298,6 +4298,8 @@ function the_shortlink( $text = '', $title = '', $before = '', $after = '' ) {
  *                                  - 'monsterid' (a monster)
  *                                  - 'wavatar' (a cartoon face)
  *                                  - 'identicon' (the "quilt", a geometric pattern)
+ *                                  - 'initials' (initials based avatar with background color)
+ *                                  - 'color' (generated background color)
  *                                  - 'mystery', 'mm', or 'mysteryman' (The Oyster Man)
  *                                  - 'blank' (transparent GIF)
  *                                  - 'gravatar_default' (the Gravatar logo)
@@ -4366,6 +4368,8 @@ function is_avatar_comment_type( $comment_type ) {
  *                                  - 'monsterid' (a monster)
  *                                  - 'wavatar' (a cartoon face)
  *                                  - 'identicon' (the "quilt", a geometric pattern)
+ *                                  - 'initials' (initials based avatar with background color)
+ *                                  - 'color' (generated background color)
  *                                  - 'mystery', 'mm', or 'mysteryman' (The Oyster Man)
  *                                  - 'blank' (transparent GIF)
  *                                  - 'gravatar_default' (the Gravatar logo)
@@ -4545,6 +4549,33 @@ function get_avatar_data( $id_or_email, $args = null ) {
 		'r' => $args['rating'],
 	);
 
+	// Handle additional parameters for the 'initials' avatar type
+	if ( 'initials' === $args['default'] ) {
+		$name = '';
+
+		if ( $user ) {
+			$name = ! empty( $user->display_name ) ? $user->display_name :
+					( ! empty( $user->first_name ) && ! empty( $user->last_name ) ?
+					$user->first_name . ' ' . $user->last_name : $user->user_login );
+		} elseif ( is_object( $id_or_email ) && isset( $id_or_email->comment_author ) ) {
+			$name = $id_or_email->comment_author;
+		} elseif ( is_string( $id_or_email ) && false !== strpos( $id_or_email, '@' ) ) {
+			$name = str_replace( array( '.', '_', '-' ), ' ', substr( $id_or_email, 0, strpos( $id_or_email, '@' ) ) );
+		}
+
+		if ( ! empty( $name ) ) {
+			if ( preg_match( '/\p{Han}|\p{Hiragana}|\p{Katakana}|\p{Hangul}/u', $name ) || false === strpos( $name, ' ' ) ) {
+				$initials = mb_substr( $name, 0, min( 2, mb_strlen( $name, 'UTF-8' ) ), 'UTF-8' );
+			} else {
+				$first    = mb_substr( $name, 0, 1, 'UTF-8' );
+				$last     = mb_substr( $name, strrpos( $name, ' ' ) + 1, 1, 'UTF-8' );
+				$initials = $first . $last;
+			}
+
+			$url_args['initials'] = $initials;
+		}
+	}
+
 	/*
 	 * Gravatars are always served over HTTPS.
 	 *

src/wp-includes/pluggable.php

@@ -3048,6 +3048,8 @@ function wp_set_password(
 	 *                              - 'monsterid' (a monster)
 	 *                              - 'wavatar' (a cartoon face)
 	 *                              - 'identicon' (the "quilt", a geometric pattern)
+	 *                              - 'initials' (initials based avatar with background color)
+	 *                              - 'color' (generated background color)
 	 *                              - 'mystery', 'mm', or 'mysteryman' (The Oyster Man)
 	 *                              - 'blank' (transparent GIF)
 	 *                              - 'gravatar_default' (the Gravatar logo)