/**
* Find WPUA, show get_avatar if empty
* @since 1.0
* @param int|string $id_or_email
* @param int|string $size
* @param string $align
* @param string $alt
* @uses array $_wp_additional_image_sizes
* @uses array $all_sizes
* @uses string $avatar_default
* @uses int $blog_id
* @uses object $post
* @uses object $wpdb
* @uses int $wpua_avatar_default
* @uses object $wpua_functions
* @uses apply_filters()
* @uses get_the_author_meta()
* @uses get_blog_prefix()
* @uses get_user_by()
* @uses get_query_var()
* @uses is_author()
* @uses wpua_attachment_is_image()
* @uses wpua_get_attachment_image_src()
* @uses get_option()
* @uses get_avatar()
* @return string $avatar
*/
public function get_wp_user_avatar($id_or_email = '', $size = '96', $align = '', $alt = '')
{
global $all_sizes, $avatar_default, $blog_id, $post, $wpdb, $wpua_avatar_default, $wpua_functions, $_wp_additional_image_sizes, $wpua_upload_url, $wpua_upload_dir, $wp_user_avatar_thumbnail_w, $wp_user_avatar_thumbnail_h;
$email = '*****@*****.**';
// Checks if comment
if (is_object($id_or_email)) {
// Checks if comment author is registered user by user ID
if ($id_or_email->user_id != 0) {
$email = $id_or_email->user_id;
// Checks that comment author isn't anonymous
} elseif (!empty($id_or_email->comment_author_email)) {
// Checks if comment author is registered user by e-mail address
$user = get_user_by('email', $id_or_email->comment_author_email);
// Get registered user info from profile, otherwise e-mail address should be value
$email = !empty($user) ? $user->ID : $id_or_email->comment_author_email;
}
$alt = $id_or_email->comment_author;
} else {
if (!empty($id_or_email)) {
// Find user by ID or e-mail address
$user = is_numeric($id_or_email) ? get_user_by('id', $id_or_email) : get_user_by('email', $id_or_email);
} else {
// Find author's name if id_or_email is empty
$author_name = get_query_var('author_name');
if (is_author()) {
// On author page, get user by page slug
$user = get_user_by('slug', $author_name);
} else {
// On post, get user by author meta
$user_id = get_the_author_meta('ID');
$user = get_user_by('id', $user_id);
}
}
// Set user's ID and name
if (!empty($user)) {
$email = $user->ID;
$alt = $user->display_name;
}
}
// Checks if user has WPUA
$wpua_meta = get_the_author_meta($wpdb->get_blog_prefix(wpua_get_main_blog_id()) . 'user_avatar', $email);
// Add alignment class
$alignclass = !empty($align) && ($align == 'left' || $align == 'right' || $align == 'center') ? ' align' . $align : ' alignnone';
// User has WPUA, check if on excluded list and bypass get_avatar
if (!empty($wpua_meta) && $wpua_functions->wpua_attachment_is_image($wpua_meta)) {
// Numeric size use size array
$get_size = is_numeric($size) ? array($size, $size) : $size;
// Get image src
$wpua_image = $wpua_functions->wpua_get_attachment_image_src($wpua_meta, $get_size);
// Add dimensions to img only if numeric size was specified
$dimensions = is_numeric($size) ? ' width="' . $wpua_image[1] . '" height="' . $wpua_image[2] . '"' : '';
// Construct the img tag
$avatar = '<img src="' . $wpua_image[0] . '"' . $dimensions . ' alt="' . $alt . '" class="avatar avatar-' . $size . ' wp-user-avatar wp-user-avatar-' . $size . $alignclass . ' photo" />';
} else {
$wpua_meta = maybe_unserialize($wpua_meta);
if (isset($wpua_meta['avatar_url']) && !empty($wpua_meta['avatar_url'])) {
$dimensions = is_numeric($size) ? ' width="' . $size . '" height="' . $size . '"' : '';
$avatar = '<img src="' . $wpua_meta['avatar_url'] . '"' . $dimensions . ' alt="' . $alt . '" class="avatar avatar-' . $size . ' wp-user-avatar wp-user-avatar-' . $size . $alignclass . ' photo" />';
} else {
// Check for custom image sizes
if (in_array($size, $all_sizes)) {
if (in_array($size, array('original', 'large', 'medium', 'thumbnail'))) {
$get_size = $size == 'original' ? get_option('large_size_w') : get_option($size . '_size_w');
} else {
$get_size = $_wp_additional_image_sizes[$size]['width'];
}
} else {
// Numeric sizes leave as-is
$get_size = $size;
}
// User with no WPUA uses get_avatar
$avatar = get_avatar($email, $get_size, $default = '', $alt = '');
if (in_array($size, array('original', 'large', 'medium', 'thumbnail'))) {
$avatar = preg_replace('/(width|height)=\\"\\d*\\"\\s/', '', $avatar);
$avatar = preg_replace("/(width|height)=\\'\\d*\\'\\s/", '', $avatar);
}
$replace = array('wp-user-avatar ', 'wp-user-avatar-' . $get_size . ' ', 'wp-user-avatar-' . $size . ' ', 'avatar-' . $get_size, 'photo');
$replacements = array('', '', '', 'avatar-' . $size, 'wp-user-avatar wp-user-avatar-' . $size . $alignclass . ' photo');
$avatar = str_replace($replace, $replacements, $avatar);
}
// Remove width and height for non-numeric sizes
}
/**
* Filter get_wp_user_avatar
* @since 1.9
* @param string $avatar
* @param int|string $id_or_email
* @param int|string $size
* @param string $align
* @param string $alt
*/
return apply_filters('get_wp_user_avatar', $avatar, $id_or_email, $size, $align, $alt);
}
/**
* Update user meta
* @since 1.4
* @param int $user_id
* @uses string $wpua_upload_dir
* @uses int $wp_user_avatar_thumbnail_w
* @uses int $wp_user_avatar_thumbnail_h
* @uses object $wpua_admin
* @uses array pathinfo()
* @uses bool file_exists()
* @uses bool rename()
* @uses bool unlink()
* @uses string serialize()
* @uses array maybe_unserialize()
* @uses get_option()
* @uses add_option()
* @uses update_option()
* @uses wpua_has_gravatar()
*/
public static function wpua_action_process_option_update($user_id)
{
global $wpua_upload_dir, $wpua_admin, $wpdb;
if (isset($_POST['wpua_avatar']) && !empty($_POST['wpua_avatar'])) {
if (wp_verify_nonce($_POST['wpua_avatar'], 'wpua_avatar_delete')) {
delete_user_meta($user_id, $wpdb->get_blog_prefix(wpua_get_main_blog_id()) . 'user_avatar');
}
}
if (isset($_POST['wp_user_avatar_url']) && !empty($_POST['wp_user_avatar_url'])) {
$file_name = sanitize_file_name($_POST['wp_user_avatar_url']);
$filepath = $wpua_upload_dir . 'cache/' . $file_name;
wpua_avatar_upload($file_name, $filepath, $user_id);
}
// Check whether User as Gravatar-hosted image and update usermeta
$wpua_admin->set_wpua_has_gravatar($user_id);
}
/**
* User's meta name to save avatar name.
* @return string Avatar meta name.
*/
public function user_meta_name()
{
global $wpdb;
return $wpdb->get_blog_prefix(wpua_get_main_blog_id()) . 'user_avatar';
}
