Created
March 3, 2016 09:19
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A wordpress mu-plugin that allows you to create users with email-addresses as usernames in multisite
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<?php | |
/** | |
* Plugin name: Allow email as WordPress Network/Multisite username | |
* Description: A wordpress mu-plugin that allows you to create users with email-addresses as usernames in multisite | |
* Version: 1.0 | |
* Author: @anttiviljami | |
* License: GPLv3 | |
*/ | |
add_filter( 'wpmu_validate_user_signup', '_signup_allow_email_as_username' ); | |
function _signup_allow_email_as_username() { | |
if (! is_wp_error($result['errors'])) { | |
return $result; | |
} | |
$username = $result['user_name']; | |
// Copy any error messages that have not been overridden | |
$new_errors = new WP_Error(); | |
$errors = $result['errors']; | |
$codes = $errors->get_error_codes(); | |
foreach ($codes as $code) { | |
$messages = $errors->get_error_messages($code); | |
if ($code == 'user_name') { | |
foreach ($messages as $message) { | |
if ($message == __('Only lowercase letters (a-z) and numbers are allowed.')) { | |
if (!is_email($username)) { | |
$new_errors->add($code, $message); | |
} | |
} else { | |
// Restore other username errors | |
$new_errors->add($code, $message); | |
} | |
} | |
} | |
else { | |
// Restore any other errors | |
foreach ($messages as $message) { | |
$new_errors->add($code, $message); | |
} | |
} | |
} | |
$result['errors'] = $new_errors; | |
return $result; | |
} |
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