($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...
$num=data_get($arr,"num","a") ?: 100;//如果是0的情况下,?:可以起作用,返回int(100) var_dump($name,$subTitle,$mainTitle,$test,$test2,$desc,$num); 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16.
7->get(['id','name','email']); 8 9returnInertia::render('Users', [ 10'users'=>$users, 11]); 12} 13} Inertia Modern Monoliths Laravel Inertia supercharges your Laravel experience and works seamlessly with React, Vue, and Svelte. Inertia handles routing and transferring data between yo...
$.ajax({ type: 'get', url: "/index/folder", data: formData, success: function (data) { console.log(data); debugger 请问这是怎么回事,如何解决?呼唤远方 浏览1231回答1 1回答 侃侃无极 列举laravel 500错误的原因:1、使用了错误的路由你这个是路由只能接受get请求;2、CSRF令牌csrf令牌是必须携带的;...
1.魔术方法:通常用户不会主动调用,而是在特定的时机被PHP系统自动调用,可以理解为系统事件监听方法,在事件发生时才触发执行。Laravel示例(Illuminate\Database\Eloquent\Model.php) 2.魔术常量:__LINE__、__FILE__、__DIR__、__FUNCTION__、__CLASS__、__TRAIT__、__METHOD__、__NAMESPACE__ ...
1$pdo=DB::connection()->getPdo(); Running Raw SQL Queries Once you have configured your database connection, you may run queries using theDBfacade. TheDBfacade provides methods for each type of query:select,update,insert,delete, andstatement. ...
namespaceIlluminate\Database\Eloquent\Concerns;traitHasAttributes{...publicfunctiongetAttribute($key){if(!$key){return;}//如果attributes数组的键等于 $keyif(array_key_exists($key,$this->attributes)||//应该强制转换的属性array_key_exists($key,$this->casts)||//属性访问器有 get"$key"Attribute...