php随机获取字符串
分类:PHP函数库
时间:2021-11-18
浏览:89
php随机获取字符串
if (!function_exists('get_rand_str')) { /** * 获取随机字符串 * @param int $randLength 长度 * @param int $addtime 是否加入当前时间戳 * @param int $includenumber 是否包含数字 * @return string */ function get_rand_str($randLength = 6, $addtime = 1, $includenumber = 0) { if (1 == $includenumber) { $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHJKLMNPQEST123456789'; } else if (2 == $includenumber) { $chars = '123456789'; } else { $chars = 'abcdefghijklmnopqrstuvwxyz'; } $len = strlen($chars); $randStr = ''; dd($len); for ($i = 0; $i < $randLength; $i++) { $randStr .= $chars[rand(0, $len - 1)]; } $tokenvalue = $randStr; if ($addtime) { $tokenvalue = $randStr . getTime(); } return $tokenvalue; } } if (!function_exists('getTime')) { /** * 获取当前时间戳 * */ function getTime() { return time(); } }
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