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knowledge_base/src/app/Helpers/SlugHelper.php

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<?php
namespace App\Helpers;
use Cocur\Slugify\Slugify;
use Illuminate\Support\Str;
class SlugHelper
{
/**
* Generate a slug from a title, supporting Japanese and other non-ASCII characters
*
* @param string $title
* @param string|null $fallback Optional fallback if slug is empty
* @return string
*/
public static function generate(string $title, ?string $fallback = null): string
{
$slugify = new Slugify(['lowercase' => true]);
// Try to generate slug with cocur/slugify
$slug = $slugify->slugify($title);
// If slug is empty (happens with pure Japanese/Chinese characters),
// use fallback or generate a unique identifier
if (empty($slug)) {
if ($fallback) {
$slug = $fallback;
} else {
// Use timestamp + random string for unique slug
$slug = date('YmdHis') . '-' . Str::random(8);
}
}
return $slug;
}
}