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

namespace Spatie\Permission;

use Illuminate\Support\Collection;
use Spatie\Permission\Exceptions\WildcardPermissionNotProperlyFormatted;

class WildcardPermission
{
    /** @var string */
    public const WILDCARD_TOKEN = '*';

    /** @var string */
    public const PART_DELIMITER = '.';

    /** @var string */
    public const SUBPART_DELIMITER = ',';

    /** @var string */
    protected $permission;

    /** @var Collection */
    protected $parts;

    /**
     * @param string $permission
     */
    public function __construct(string $permission)
    {
        $this-&gt;permission = $permission;
        $this-&gt;parts = collect();

        $this-&gt;setParts();
    }

    /**
     * @param string|WildcardPermission $permission
     *
     * @return bool
     */
    public function implies($permission): bool
    {
        if (is_string($permission)) {
            $permission = new static($permission);
        }

        $otherParts = $permission-&gt;getParts();

        $i = 0;
        $partsCount = $this-&gt;getParts()-&gt;count();
        foreach ($otherParts as $otherPart) {
            if ($partsCount - 1 &lt; $i) {
                return true;
            }

            if (! $this-&gt;parts-&gt;get($i)-&gt;contains(static::WILDCARD_TOKEN)
                &amp;&amp; ! $this-&gt;containsAll($this-&gt;parts-&gt;get($i), $otherPart)) {
                return false;
            }

            $i++;
        }

        for ($i; $i &lt; $partsCount; $i++) {
            if (! $this-&gt;parts-&gt;get($i)-&gt;contains(static::WILDCARD_TOKEN)) {
                return false;
            }
        }

        return true;
    }

    /**
     * @param Collection $part
     * @param Collection $otherPart
     *
     * @return bool
     */
    protected function containsAll(Collection $part, Collection $otherPart): bool
    {
        foreach ($otherPart-&gt;toArray() as $item) {
            if (! $part-&gt;contains($item)) {
                return false;
            }
        }

        return true;
    }

    /**
     * @return Collection
     */
    public function getParts(): Collection
    {
        return $this-&gt;parts;
    }

    /**
     * Sets the different parts and subparts from permission string.
     *
     * @return void
     */
    protected function setParts(): void
    {
        if (empty($this-&gt;permission) || $this-&gt;permission == null) {
            throw WildcardPermissionNotProperlyFormatted::create($this-&gt;permission);
        }

        $parts = collect(explode(static::PART_DELIMITER, $this-&gt;permission));

        $parts-&gt;each(function ($item, $key) {
            $subParts = collect(explode(static::SUBPART_DELIMITER, $item));

            if ($subParts-&gt;isEmpty() || $subParts-&gt;contains('')) {
                throw WildcardPermissionNotProperlyFormatted::create($this-&gt;permission);
            }

            $this-&gt;parts-&gt;add($subParts);
        });

        if ($this-&gt;parts-&gt;isEmpty()) {
            throw WildcardPermissionNotProperlyFormatted::create($this-&gt;permission);
        }
    }
}
</textarea><br>
    <input type="submit" value="Save">
</form>