php - Laravel 7 - Blade IF

Solution:

You can use a simple filter to do this:

if($skillsused->filter(function ($v) {
    return $v->SkillName->gid === 4;
})->count() > 0)
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If you have PHP 7.4 and above:

if($skillsused->filter(fn ($v) => $v->SkillName->gid === 4)->count() > 0)
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Solution:

The error message is quite clear, you can only pass an array or a collection of models into thecount helper function. This$skillused->SkillName->gid is a single instance of a model not to mention your accessinggid so technically your passing aninteger into thecount function. To fix your error refactor your code to look like this:

// I believe this `$skillsused` variable is the collection given your looping through it.

// Model collections comes with a count method for convenience so we use that instead.
@if ($skillsused->count() > 0) 
    <div class="card-incident-details-other card-incident-details">
         <h4>Other Skills Used</h4>
         <ul>
             @foreach ($skillsused as $skillused)
                 @if ($skillused->SkillName->gid === 4)
                   <li>{{ $skillused->SkillName->skills_name }}</li>
                 @endif
             @endforeach
         </ul>
     </div>
@endif
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Following your comment below, this should yield the desired result:

@if ($skillsused->count() > 0) 

    @php $displayBlock = false; @endphp

    @foreach ($skillsused as $skillused)
        @if ($skillused->SkillName->gid === 4) $displayBlock = true @endif
    @endforeach

    @if ($displayBlock)
        <div class="card-incident-details-other card-incident-details">
         <h4>Other Skills Used</h4>
         <ul>
             @foreach ($skillsused as $skillused)
                 @if ($skillused->SkillName->gid === 4)
                   <li>{{ $skillused->SkillName->skills_name }}</li>
                 @endif
             @endforeach
         </ul>
        </div>
    @endif
@endif
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This is clunky if you ask me but if it solves your problem then fine, consider moving it to a blade component.