This article covers how to use PostgreSQL together with the PHP framework Laravel to deploy web applications. After walking through the Laravel installation process it shows how to get started and create tables.

Laravel 学院致力于提供优质 PHP 全栈编程技术学习资源

文章浏览阅读5.3k次。有时候需要知道当前 vendor 下下载的各个包的版本号，可以打开 composer.lock 来查看，也可以使用 compoer 命令。查看全部包composer show -i查看指定包composer show guzzlehttp/guzzle -i查看帮助composer show -h...

I'm using Storage:SFTP (league/flysystem-sftp) to upload some files to an external server. Everything goes fine with a small issue: the files are uploaded with a 0644 (-rw-r--r--) permission. I've ...

1.開啟 config/app.php

寫程式常常需要除錯,除錯很常用的方法是透過寫Log,在適當的地方寫Log,往往能夠幫助我們找出錯誤,進而修改錯誤.Laravel本身當然也有提供Log來使用. Laravel的日誌(Log) Lara...

Laravel的日誌系統底層是Monolog，設定在config\logging.php裡面，預設路徑是在storage\logs\laravel.log，也可以更改成喜歡的路徑。 ... Laravel, LaravelLog, Lara, 路徑

文章浏览阅读500次。结论前置： Laravel框架下的事务回滚基于数据库连接(app/config/database.php-connections)； 在开启事务时,如果不指定数据库连接,默认开启app/config/database.php-default中指定的连接； 所以，当表来自多个数据库连接时，其他数据库连接未开启事务，回滚失败。代码示范：A.手动使用事务://开启DatabaseA数据库的事务DB::connection(‘DatabaseA’)-..._laravel 多个数据库 数据库回滚失败

Composer 因為不要重造輪子，所以我們就要借助別人的輪子來打造自己的工具，當借助的輪子越來越多，管理起來就會有點麻煩，不管是版本的更新或是大家都使用某個熱門的輪子而造成重覆，這些都需要一個工具來管理，這就是 Composer 要幫我們解決的事。...

Laravel is a PHP web application framework with expressive, elegant syntax. We’ve already laid the foundation — freeing you to create without sweating the small things.

It seems I'm not the only person struggling with the differences between Laravel's DB::raw(), DB::select(), DB::statement(), and DB::unprepared() methods. It seems as if one almost needs to try a ...

I am new in Django and having a hard time figuring out how to print what an object have inside. I mean type and value of the variable with its members inside. Just like Laravel's dd(object) function.

Database transactions and pessimistic locking are probably not the most used features, however, they can be extremely useful. Let’s take a brief look and then examine how Laravel’s database layer supports these features. In this post, we don’t focus on the plain SQL implementation of database transactions or locking. After explaining shortly, we move on […]

While building your Laravel query whether using Eloquent Query or DB Query builder, you often have to use multiple where conditions…

PHP str_getcsv() 函数 PHP String 参考手册 定义和用法 str_getcsv() 函数解析 CSV 格式字段的字符串，并返回一个包含所读取字段的数组。 语法 str_getcsv(string,separator,enclosure,escape) 参数 描述 string 必需。规定要解析的字符串。 separator 可选。设置字段分界符（..

I tried update(['access' => Carbon::now()->format('Y/m/d H:i:s')]); it returned Y-m-d H:i:s

Exporting your database records or a calculated array of data to a CSV file is a very common use...

So I'm trying to get the number of distinct pids on a query, but the returned value is wrong. This is what I try to do: $ad->getcodes()->groupby('pid')->distinct()->count() what retu...

文章浏览阅读2.5k次。1.添加菜单，指定路径2.定义路由routes.php$router-group(['prefix' = 'test'], function ($router) { $router-get('', TestController::class.'@index'); //列表 $router-get('create', TestCo..._laravel-admin form edit