This simple article demonstrates of laravel collection check if key value exists. i explained simply about how to check if key exists in collection laravel. let’s discuss about laravel collection check if value exists. We will use laravel check if collection contains value. I will give you som...
Arr::first($array, function ($value, $key) { return ! is_null($value); });In previous versions of Laravel, the $key was passed first. Since most use cases are only interested in the $value it is now passed first. You should do a "global find" in your application for these ...
The attempt method accepts an array of key / value pairs as its first argument. The values in the array will be used to find the user in your database table. So, in the example above, the user will be retrieved by the value of the email column. If the user is found, the hashed ...
Checking a property if it existsThere might be times when you want to check if a property exists in the database. This can be done as such:public function up(): void { if ($this->migrator->exists('general.timezone')) { // do something } }...
};//"hello"$example();//The changed value in the parent scope is reflected inside the function call$message= "world\n";//"world"$example();//Closures can also accept regular arguments$example=function($arg)use($message) {echo$arg. ' ' .$message; ...
Note: All of the where* methods are chainable & could be called multiple times in a single request. It will hold all where clauses in an array internally and apply them all before executing the query.offset()The offset method sets the "offset" value of the query:$repository->offset(5)...
Laravel 5.3 的 Auth 认证在 5.2 的基础上又有一些改变,本文说明如何在 Laravel 5.3 下做不同用户表的登录认证。 Auth 认证原理简述 Laravel 的认证是使用guard与provider配合完成,guard负责认证的业务逻辑,认证信息的服务端保存等;provider负责提供认证信息的持久化数据提供。
*/publicfunctionscopeSort(Builder $query,$column,$direction){if(!in_array($column,$this->sortable)){return$query;}return$query->orderBy($column,$direction);}} column经过了inarray的校验,direction传入的是bool类型,这两者均无法传入恶意参数。
isarray "^1.0.0" builtin-status-codes@^3.0.0: version "3.0.0" resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8" bytes@3.0.0: version "3.0.0" ...
spoof: SpoofCheckValidation filter: FilterEmailValidation endswith:foo,bar,... 验证中的字段必须以给定值之一结尾。 exclude_if:anotherfield,value 如果anotherfield字段等于value,则正在验证的字段将从validate和validated方法返回的请求数据中排除。 exclude_unless:anotherfield,value ...