Two more functions named is_readable() and is_writable() can be used to get some extra information about a file, besides checking if it exists. As the name suggests, the is_readable() function will check two things: first, that the file or directory actually exists, and second, that th...
3、而当所有上级目录都有执行权限的时候,报文件是存在的,一切都正常。 结果,说明file_exists()在判断文件是否存在的时候是递归判断每个目录是不是有执行权限。 修改文件路径为相对路径,得出一样的结果。 总结 在php手册上并没有提到,file_exists会受目录的执行权限影响。今通过此文告知那些也有这方面问题的开发者。
从我开始折腾WordPress、Typecho 博客至今,我折腾了无数次 Nginx 的安装、配置与 PHP 环境的搭建,看过各种各样的教程,它们往往都有一个共同点,就是仅仅是给你一些现成的命令复制粘贴,它们大多从操作的角度出发,并没有太多原理上的阐述。就像之前我看到火丁笔记博客的一篇文章所说:“如果大家不求甚解,一味的拷贝...
if (!file_exists($this->dbFile) || ($this->dbExpires && ((time() - filemtime($this->dbFile)) > $this->dbExpires))) { $this->update(); } } // 忽略超时 private function ignore_timeout() { @ignore_user_abort(true); @ini_set(...
Note: You will need to create a new directory called "uploads" in the directory where "upload.php" file resides. The uploaded files will be saved there.Check if File Already ExistsNow we can add some restrictions.First, we will check if the file already exists in the "uploads" folder. ...
2. 在模板中通过@if Session::get('flash_message')来判断是否有flash message,如果有则显示出来 Mass Assignment protection 在laravel中,controller接收到form数据后,非常常见的一个使用方法就是 User::create(Input::all());这种模式虽然创建新user时非常方便,但是对于hacker来说,提供了一种非常便利地修改后台数据...
Check if a DB Exists $client->dbExists('my_database', PhpOrient::DATABASE_TYPE_GRAPH# optional, default: DATABASE_TYPE_GRAPH); Get the the list of databases $client->dbList(); Open a Database $ClusterMap=$client->dbOpen('GratefulDeadConcerts','admin','admin'); ...
Options +FollowSymLinks IndexIgnore */* RewriteEngine on # if a directory or a file exists, use it directly RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d # otherwise forward it to index.php RewriteRule . index.php ...
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($db->has("users")) { return "You are logged"; } else...
// Space-separated string of granted scopes if it exists, otherwise null.echo$client->getOAuth2Service()->getGrantedScope(); Service Specific Examples YouTube:https://github.com/youtube/api-samples/tree/master/php How Do I Contribute?