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    <h3>Editing: ModelNotFoundException.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

namespace Illuminate\Database\Eloquent;

use Illuminate\Database\RecordsNotFoundException;
use Illuminate\Support\Arr;

class ModelNotFoundException extends RecordsNotFoundException
{
    /**
     * Name of the affected Eloquent model.
     *
     * @var string
     */
    protected $model;

    /**
     * The affected model IDs.
     *
     * @var int|array
     */
    protected $ids;

    /**
     * Set the affected Eloquent model and instance ids.
     *
     * @param  string  $model
     * @param  int|array  $ids
     * @return $this
     */
    public function setModel($model, $ids = [])
    {
        $this-&gt;model = $model;
        $this-&gt;ids = Arr::wrap($ids);

        $this-&gt;message = &quot;No query results for model [{$model}]&quot;;

        if (count($this-&gt;ids) &gt; 0) {
            $this-&gt;message .= ' '.implode(', ', $this-&gt;ids);
        } else {
            $this-&gt;message .= '.';
        }

        return $this;
    }

    /**
     * Get the affected Eloquent model.
     *
     * @return string
     */
    public function getModel()
    {
        return $this-&gt;model;
    }

    /**
     * Get the affected Eloquent model IDs.
     *
     * @return int|array
     */
    public function getIds()
    {
        return $this-&gt;ids;
    }
}
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