随机手机号码
/** * 随机生成以手机号码为邮箱的用户名 * @return string */ function nextMobile() { $mobileSegment = array( '134', '135', '136', '137', '138', '139', '150', '151', '152', '157', '130', '131', '132', '155', '186', '133', '153', '189', ); $prefix = $mobileSegment[array_rand($mobileSegment)]; $middle = mt_rand(2000, 9000); $suffix = mt_rand(2000, 9000); return $prefix . $middle . $suffix . '@phone'; }