<?php

namespace Module\Blog\Util;

use Illuminate\Support\Facades\Cache;

use ModStart\Core\Dao\ModelUtil;

use ModStart\Core\Util\TagUtil;

class BlogTagUtil

{

public static function clearCache()

{

Cache::forget('BlogTags');

}

public static function all()

{

return Cache::rememberForever('BlogTags', function () {

$blogs = ModelUtil::all('blog', [], ['tag']);

TagUtil::recordsString2Array($blogs, 'tag');

$tags = [];

foreach ($blogs as $blog) {

foreach ($blog['tag'] as $t) {

if (isset($tags[$t])) {

$tags[$t]++;

} else {

$tags[$t] = 1;

}

}

}

return $tags;

});

}

}