@php
    $logo = config('mail.brand.header_logo');
    $logoUrl = $logo && preg_match('/^(https?:)?\/\//', $logo) ? $logo : ($logo ? asset($logo) : null);
    $appName = config('app.name');
@endphp

<tr>
<td class="header">
<a href="{{ $url }}" style="display: inline-block;">
@if ($logoUrl)
<img src="{{ $logoUrl }}" class="header-logo" alt="{{ $appName }}">
@else
<span class="header-logo-text">{{ $slot }}</span>
@endif
</a>
</td>
</tr>