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How to convert string to int in php laravel

Cast string to int php

$num = "3.14"; 
$int = (int)$num;//string to int
$float = (float)$num;//string to float

How to convert string to int in php laravel

 $id = $user[0]->id;
        $int = (int)$id;
        $is a string it convert into the in the by last command

How to convert string to int in php laravel

$id = DB::table('leave_encash_approval')
            ->select('id')
            ->where('company_id',$request->subCompanyId)
            ->where('year',$request->year)
            ->get();

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