In this article, we will see laravel 9 whereColumn() query example. The whereCoulmn method is used to verify whether two columns are equal or not. So, we will learn whereColumn in laravel 9.
Laravel also provides orWhereColumn() method. So, you can also use whereColumn() with orWhereColumn() method in laravel.
So, let's see laravel 9 whereColumn() and compare two columns in laravel 9.
Syntax of whereColumn()
whereColumn('column name', 'operator', 'compare column name')
In this example, we will retrieve all those employee's records which are both column equals.
$employee = DB::table('employee') ->whereColumn('first_name', 'last_name') ->get();
You may also pass a comparison operator to the
$users = DB::table('users') ->whereColumn('updated_at', '>', 'created_at') ->get();
You may also pass an array of column comparisons to the
whereColumn method. These conditions will be joined using the
$users = DB::table('users') ->whereColumn([ ['first_name', '=', 'last_name'], ['updated_at', '>', 'created_at'], ])->get();
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