accounts/common/helpers/StringHelper.php

25 lines
717 B
PHP

<?php
namespace common\helpers;
class StringHelper {
public static function getEmailMask($email) {
$username = explode('@', $email)[0];
$usernameLength = mb_strlen($username);
$maskChars = '**';
if ($usernameLength === 1) {
$mask = $maskChars;
} elseif($usernameLength === 2) {
$mask = mb_substr($username, 0, 1) . $maskChars;
} elseif($usernameLength === 3) {
$mask = mb_substr($username, 0, 1) . $maskChars . mb_substr($username, 2, 1);
} else {
$mask = mb_substr($username, 0, 2) . $maskChars . mb_substr($username, -2, 2);
}
return $mask . mb_substr($email, $usernameLength);
}
}