Laravel - 使用查询生成器函数传递变量

Question

Using Laravel's query builder example is it possible to pass a variable to this function:

$someVariable = 1;

DB::table('users')
        ->where('name', '=', 'John')
        ->orWhere(function ($query) use ($someVariable) {
            $query->where('votes', '>', $someVariable)
                  ->where('title', '<>', 'Admin');
        })
        ->get();

It seems the function cannot access the variable outside of itself. I get an error: Undefined variable: $someVariable

Answer 1

You'll need to use the "use" keyword after your function, for variables outside of that function. If $someVariable is the one you want to use, this should work.

$someVariable = 1;

DB::table('users')
->where('name', '=', 'John')
->orWhere(function ($query) use($someVariable) {
    $query->where('votes', '>', $someVariable)->where('title', '<>', 'Admin');
})->get();

Answer 2

use Superglobals 

$GLOBALS["someVariable"] = 1;
DB::table('users')
->where('name', '=', 'John')
->orWhere(function ($query) {
       $query->where('votes', '>', $GLOBALS["someVariable"])
       ->where('title', '<>', 'Admin');
})
->get();