/**
* Validate a user name and email address when creating a new user.
*
* @since 1.2.2
*
* @param string $user_name Username to validate.
* @param string $user_email Email address to validate.
* @return array Results of user validation including errors, if any.
*/
function bp_core_validate_user_signup($user_name, $user_email)
{
// Make sure illegal names include BuddyPress slugs and values.
bp_core_flush_illegal_names();
// WordPress Multisite has its own validation. Use it, so that we
// properly mirror restrictions on username, etc.
if (function_exists('wpmu_validate_user_signup')) {
$result = wpmu_validate_user_signup($user_name, $user_email);
// When not running Multisite, we perform our own validation. What
// follows reproduces much of the logic of wpmu_validate_user_signup(),
// minus the multisite-specific restrictions on user_login.
} else {
$errors = new WP_Error();
/**
* Filters the username before being validated.
*
* @since 1.5.5
*
* @param string $user_name Username to validate.
*/
$user_name = apply_filters('pre_user_login', $user_name);
// User name can't be empty.
if (empty($user_name)) {
$errors->add('user_name', __('Please enter a username', 'buddypress'));
}
// User name can't be on the blacklist.
$illegal_names = get_site_option('illegal_names');
if (in_array($user_name, (array) $illegal_names)) {
$errors->add('user_name', __('That username is not allowed', 'buddypress'));
}
// User name must pass WP's validity check.
if (!validate_username($user_name)) {
$errors->add('user_name', __('Usernames can contain only letters, numbers, ., -, and @', 'buddypress'));
}
// Minimum of 4 characters.
if (strlen($user_name) < 4) {
$errors->add('user_name', __('Username must be at least 4 characters', 'buddypress'));
}
// No underscores. @todo Why not?
if (false !== strpos(' ' . $user_name, '_')) {
$errors->add('user_name', __('Sorry, usernames may not contain the character "_"!', 'buddypress'));
}
// No usernames that are all numeric. @todo Why?
$match = array();
preg_match('/[0-9]*/', $user_name, $match);
if ($match[0] == $user_name) {
$errors->add('user_name', __('Sorry, usernames must have letters too!', 'buddypress'));
}
// Check into signups.
$signups = BP_Signup::get(array('user_login' => $user_name));
$signup = isset($signups['signups']) && !empty($signups['signups'][0]) ? $signups['signups'][0] : false;
// Check if the username has been used already.
if (username_exists($user_name) || !empty($signup)) {
$errors->add('user_name', __('Sorry, that username already exists!', 'buddypress'));
}
// Validate the email address and process the validation results into
// error messages.
$validate_email = bp_core_validate_email_address($user_email);
bp_core_add_validation_error_messages($errors, $validate_email);
// Assemble the return array.
$result = array('user_name' => $user_name, 'user_email' => $user_email, 'errors' => $errors);
// Apply WPMU legacy filter.
$result = apply_filters('wpmu_validate_user_signup', $result);
}
/**
* Filters the result of the user signup validation.
*
* @since 1.2.2
*
* @param array $result Results of user validation including errors, if any.
*/
return apply_filters('bp_core_validate_user_signup', $result);
}
/**
* Validate a user name and email address when creating a new user.
*
* @param string $user_name Username to validate
* @param string $user_email Email address to validate
* @return array Results of user validation including errors, if any
*/
function bp_core_validate_user_signup($user_name, $user_email)
{
$errors = new WP_Error();
// Apply any user_login filters added by BP or other plugins before validating
$user_name = apply_filters('pre_user_login', $user_name);
if (empty($user_name)) {
$errors->add('user_name', __('Please enter a username', 'buddypress'));
}
// Make sure illegal names include BuddyPress slugs and values
bp_core_flush_illegal_names();
$illegal_names = get_site_option('illegal_names');
if (in_array($user_name, (array) $illegal_names)) {
$errors->add('user_name', __('That username is not allowed', 'buddypress'));
}
if (!validate_username($user_name)) {
$errors->add('user_name', __('Usernames can contain only letters, numbers, ., -, *, and @', 'buddypress'));
}
if (strlen($user_name) < 4) {
$errors->add('user_name', __('Username must be at least 4 characters', 'buddypress'));
}
if (strpos(' ' . $user_name, '_') != false) {
$errors->add('user_name', __('Sorry, usernames may not contain the character "_"!', 'buddypress'));
}
// Is the user_name all numeric?
$match = array();
preg_match('/[0-9]*/', $user_name, $match);
if ($match[0] == $user_name) {
$errors->add('user_name', __('Sorry, usernames must have letters too!', 'buddypress'));
}
// Check if the username has been used already.
if (username_exists($user_name)) {
$errors->add('user_name', __('Sorry, that username already exists!', 'buddypress'));
}
// Validate the email address and process the validation results into
// error messages
$validate_email = bp_core_validate_email_address($user_email);
bp_core_add_validation_error_messages($errors, $validate_email);
// Assemble the return array
$result = array('user_name' => $user_name, 'user_email' => $user_email, 'errors' => $errors);
// Apply WPMU legacy filter
$result = apply_filters('wpmu_validate_user_signup', $result);
return apply_filters('bp_core_validate_user_signup', $result);
}
