migration change column name laravel code example

Example 1: migration rename column laravel

public function down()
{
    Schema::table('posts', function (Blueprint $table) {
        $table->renameColumn('user_id', 'author_ID');
    });
}

Example 2: laravel change column

Schema::table('users', function (Blueprint $table) {
    $table->string('name', 50)->nullable()->change();
});