Y_weiguang的博客

mysql 函数

// 将秒 变天 小时 分钟function getStayTime($timestamp, $is_hour = 1, $is_minutes = 1){ if (empty($timestamp) || $timestamp <= 60) { return false; } $remain_time = $timestamp; $day = floor($remain_time / (3600 * 24)); $day = $day .

/** * 转换到友好的单位 * @param float $size 原始尺寸（单位：kb） * @return float 转换后的尺寸 */function transfer_size($size){ static $index = 0; $unit = ['KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB', 'BB']; if ($size >= 1024) { $size = rou.

function getRandomString($len, $chars=null){ if (is_null($chars)){ $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; } mt_srand(10000000*(double)microtime()); for ($i = 0, $str = '', $lc = strlen($chars)-..

function isCreditNo($vStr){ $vCity = array( '11','12','13','14','15','21','22', '23','31','32','33','34','35','36', '37','41','42','43','44','45','46', '50','51','52','53','54','61','62', '63','64','65',...