#前処理 mecab-python3バージョンは1.0.8です
sudo apt-get install mecab libmecab-dev mecab-ipadic-utf8
sudo pip install mecab-python3
pip install unidic-lite

<?php
class sharpPost
{
    /**
     * mecab.pyを使って文章を解析（名詞と形容詞を取り出す）
     * @param $posstData
     * @return array|null
     */
    public function analysis($postData)
    {
        if(!$postData)return null;
        $word = null;
        exec('python py/mecab.py "'.strip_tags(htmlentities($postData)).'"',$output);// 2>&1
        if(is_array($output)){
            foreach($output as $val){
                $analysisWord = explode("\t",$val);
                if(isset($analysisWord[1]) && preg_match('/(名詞|形容詞)/',$analysisWord[1])){
                    $word[] = $analysisWord[0];
                    $word = array_unique($word);
                }
            }
        }
        return $word;
    }
    
    /**
     * 文字列を置き換える処理
     * @param $postData
     * @param $word|null
     * @return string
     */
    public function replacePostData($postData='',$word=null)
    {
        if(is_array($word)){
            foreach($word as $val){
                $postData = preg_replace("/({$val})/u"," #{$val} ",$postData);
            }
        }
        return $postData;
    }
}
$textData = '単なる自分が使いたい機能です、無かったので作ってみただけです。';
$sharpPost = new sharpPost();
$word = $sharpPost->analysis($textData);
print(($sharpPost->replacePostData($textData,$word)).PHP_EOL);

import MeCab
import sys
args = sys.argv
if(args[1]):
    tagger = MeCab.Tagger()
    print(tagger.parse(args[1]))

php Mastodon.php 'テスト投稿です'

<?php
require "config.php";
class Mastodon{
    const method = "POST";
    const host = "mstdn.jp";
    const endpoint  = "/api/v1/statuses";
    public static function toot($postdata = null)
    {
        if(!is_null($postdata)){
            $data = http_build_query($postdata);
            exec('curl -X POST -d "'.$data.'" --header "Authorization: Bearer '.ACCESSTOKEN.'" -sS https://'.self::host . self::endpoint.'; echo $?',$output);
            var_dump($output);
        }
    }
}
//    「未収載」    -> 'unlisted'
//    「公開」      -> 'public'
//    「非公開」    -> 'private'
//    「ダイレクト」 -> 'direct'
if($argv[1]){
    $postdata = [
        "visibility"=>"public",
        "status"=>strip_tags($argv[1]),
    ];
    Mastodon::toot($postdata);
}

<?php
define('ACCESSTOKEN','xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx');

<?php
function mecab_tw_like($txt="",$connection=Null){
    if(!$txt)return false;
    if(!is_object($connection))return false;
    $cmd = "echo "$txt" | mecab";
    exec($cmd, $opt, $return_ver);
    //var_dump($opt);
    foreach($opt as $key=>$val){
        $r = explode("t",$val);
        if(preg_match("/名詞/",$r[1])){
            $statuses = $connection->get(
                'search/tweets',
                array(
                    'q'                 => $r[0],
                    'count'             => '3',
                    'lang'              => 'ja',
                    'locale'            => 'ja',
                    'result_type'       => 'recent',
                    'include_entities'  => 'false'
                )
            );
            if(is_array($statuses->statuses) and $statuses->statuses){
                foreach( $statuses->statuses as $tweet ){
                    $id = $tweet->id;
                    $result = $connection->post(
                        'favorites/create',
                        array(
                            'id' => $id
                        )
                    );
                }
            }
        }
    }
}

<?php
$command = "ls -m img";
exec($command,$val,$chk);
//imglist
$imglist = explode(",",implode("",$val));
if(is_array($imglist)){
    foreach ($imglist as $key => $value) {
        $img64[$key] = base64_encode(file_get_contents("img/".trim($value)));
        $path_parts = pathinfo($value);
        $path_parts['extension']=="jpeg"?"jpg":$path_parts['extension'];
?>
<div><a href="./img/<?=trim($value)?>"><?=$value?></a><br><img src="data:image/<?=$path_parts['extension']?>;base64,<?=$img64[$key]?>"></div>
<?php
    }
}
$obj["imglist"] = implode("\n\n",$img64);