技术标签: laravel laravel 测试用例 php当需要从多维数组中获取值,并且进行判空,赋值默认值的时候 可以使用下面的测试用例 $arr=[ "name"=>"陶士涵", "title"=>[ "sub"=>"测试" ], "test"=>null, "desc"=>"", "num"=>0, ]; $name=data_get($arr,"name","a"); $subTitle=data_get($arr...
在Laravel中,??和?:操作符有什么区别? 当需要从多维数组中获取值,并且进行判空,赋值默认值的时候 可以使用下面的测试用例 代码语言:javascript 代码运行次数:0 运行 AI代码解释 $arr=[ "name"=>"陶士涵", "title"=>[ "sub"=>"测试" ], "test"=>null, "desc"=>"", "num"=>0, ]; $name=data...
$subTitle=data_get($arr,"title.sub","a"); $mainTitle=data_get($arr,"title.main","a");//如果没有这个key的情况下,默认值起作用,返回string(1) "a"$test=data_get($arr,"test","a");//如果是null的情况下,默认值不起作用,返回null$test2=data_get($arr,"test","a") ??"a";//如果...
详见https://learnku.com/docs/laravel/5.7/helpers/1320#method-optional Laravel 5.7 中,optional 函数还可以接受 匿名函数 作为第二个参数: /** * 如果第一个参数不为 null, 则调用闭包 * 详见 https://laravel\com/docs/5.7/helpers#method-optional */returnoptional(User::find($id),function($user){r...
Laravel 避免 Trying to get property of non-object 错误的六种方法 [新增第六种 data_get] 106 54 19 Ίκαρος 的个人博客 / 1 / 19 / 创建于 6年前 / 更新于 6年前 在使用链式操作的时候,例如:return $user->avatar->url;如果
问Arr::get()与Laravel5.7中的data_get()EN当需要从多维数组中获取值，并且进行判空，赋值默认值的...
Is it worth a PR to consider changing it? 0 I did submit a PR to change this, but it was closed without merging. Linking here to help future searching. github.com/laravel/framework/pull/52594 0 Reply
用过laravel的肯定用过非常方便的data_get() 和data_set() 函数 是不是很方便 这里分享个JavaScript版本 /** * 访问数据 * @param {*} data * @param {*} key * @param {*} value */ export function dataGet(data, key, value){ let keys = key.split('.') for (let i = 0, n = keys...
Here, i will give you very simple example of how to get last month data in laravel. we will use whereBetween() and Carbon in this example. I have one created items table that structure as bellow you can see. items table: Controller Code: ...
we can get month wise records in laravel 6, laravel 7, laravel 8, laravel 9, laravel 10 and laravel 11 application. Here, i will give you very simple example of how to get month wise record in laravel. we will use MONTHNAME() and groupBy() in this example. ...