$firstStep = DataObject::get_one("OrderStep");//we assume the first step alwaysexists.//TODO:what sort order?$previousOrderFromMember = DataObject::get_one("Order","\r\n\t\t\t\t\t\t\t\t\"MemberID\" = ". $member->ID ."\r\n\t\t\t\t\t\t\t\tAND (\"StatusID\" = "...
exists Description: Verify if the specified key exists. Parameters key Return value long: The number of keys tested that do exist. Examples $redis->set('key', 'value'); $redis->exists('key'); /* 1 */ $redis->exists('NonExistingKey'); /* 0 */ $redis->mset(['foo' => 'foo'...
...Object str)源码:public static boolean isEmpty(Object str) { return (str == null || “”.equals(str)); } 基本上判断对象是否为空 13.4K20 php判断文件是否存在 最近博客需要这么个功能,最初是想用file_exists()来判断本地文件的,奈何地址那里我填的是“http://zezeshe.com/usr/themes/Themia/...
// 不指定x-oss-forbid-overwrite时,默认覆盖同名Object。// 指定x-oss-forbid-overwrite为false时,表示允许覆盖同名Object。// 指定x-oss-forbid-overwrite为true时,表示禁止覆盖同名Object,如果同名Object已存在,则报错FileAlreadyExists。$options=array(OssClient::OSS_HEADERS=>array('x-oss-forbid-overwrite'=>...
A convenient function that returns TRUE if exists at least an element that satisfy the where condition specified calling the "where" method before this one.$db->where("user", $user); $db->where("password", md5($password)); if($db->has("users")) { return "You are logged"; } else...
软件通信有七层结构，下三层结构偏向与数据通信，上三层更偏向于数据处理，中间的传输层则是连接上三层与...
For example, if you were using DB::listen in 5.1., you may update your code like so for 5.2.:DB::listen(function ($event) { dump($event->sql); dump($event->bindings); });You may check out each of the new event object classes to see their public properties....
publicfunctioni(): void{}// Fatal error: P::i() has #[\Override] attribute, but no matching parent method exists } classCextendsPimplementsI{}// All good 👍 📣RFC: NameOf Robert Landers proposes adding a globalnameof()function. This function would enable developers to swiftly and easi...
The>>operator always creates a new file, adding an -n suffix to a file name if the requested file name already exists. The>operator only rewrites the file if it already exists. Support for HTTP request identifiersCopy heading link The upcoming PhpStorm 2021.3 now understands identifiers (or ...
$default : null;}} else {$filters = explode(',', $filters);}} elseif (is_int($filters)) {$filters = array($filters);}if (is_array($filters)) {foreach ($filters as $filter) {if (function_exists($filter)) {$data = is_array($data) ? array_map_recursive($filter, $data) :...