($arr,"name","a"); $subTitle=data_get($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,"...
$subTitle=data_get($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...
5. 使用 data_get 辅助函数 returndata_get($user,'avatar.url','default'); 或 returndata_get($user,['avatar','url'],'default'); 以. 语法来获取对象属性或数组元素。 if(!function_exists('data_get')){/** * Get an item from an array or object using "dot" notation. * * @param mix...
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...
$test2=data_get($arr,"test","a") ?? "a";//如果是null的情况下,??可以起作用,返回string(1) "a" $desc=data_get($arr,"desc","a") ?: "a";//如果是""的情况下,?:可以起作用,返回string(1) "a" $num=data_get($arr,"num","a") ?: 100;//如果是0的情况下,?:可以起作用,返回...
“Laravel has helped me launch products quicker than any other solution, allowing me to get to market faster as the community has evolved.” Steve McDougallCreator of Laravel Transporter “Laravel has been like rocket fuel for my career and business.” ...
Previously, the data_get helper could be used to retrieve nested data on arrays and Collection instances; however, this helper can now retrieve nested data on all iterable objects.The str HelperLikelihood Of Impact: Very LowLaravel 9.x now includes a global str helper function. If you are ...
1.魔术方法:通常用户不会主动调用,而是在特定的时机被PHP系统自动调用,可以理解为系统事件监听方法,在事件发生时才触发执行。Laravel示例(Illuminate\Database\Eloquent\Model.php) 2.魔术常量:__LINE__、__FILE__、__DIR__、__FUNCTION__、__CLASS__、__TRAIT__、__METHOD__、__NAMESPACE__ ...
$.ajax({ type: 'get', url: "/index/folder", data: formData, success: function (data) { console.log(data); debugger 请问这是怎么回事,如何解决?呼唤远方 浏览1231回答1 1回答 侃侃无极 列举laravel 500错误的原因:1、使用了错误的路由你这个是路由只能接受get请求;2、CSRF令牌csrf令牌是必须携带的;...
这里的driver可以是eloquent或者database,使用eloquent就告诉Auth组件说,用户认证类是Badmin这个类管的。这里的model是有命名空间的,就是说如果你的admin类是\Yejianfeng\Badmin,这里就应该改成’\Yejianfeng\Badmin’ 9 好了,这个时间其实逻辑部分已经搭建完毕了,你已经可以在controller种使用 ...