laravel switch blade change variable code example

Example 1: blade switch

@switch($i)
    @case(1)
        First case...
        @break

    @case(2)
        Second case...
        @break

    @default
        Default case...
@endswitch

Example 2: laravel blade @if 3 varabile

@if(is_null($key['p3']))
        {{--*/$p3 = $key['p3']/*--}}
    @else
        {{ 0 }}
    @endif
    @if(is_null($key['wabku']))
        {{--*/$wabku = $key['wabku']/*--}}
    @else
        {{ 0 }}
    @endif
    <td class="tg-rv4w" width="5%">
        {{ number_format($p3 - $wabku,0,',','.') }}
    </td>
    
    @php
    $p3 = $key['p3']
    @endphp