cd /wp-content/plugins
mkdir mytweets
vi mytweets.php

<?php
/*
Plugin Name: My tweets
Description: tweets
Version: 1.0
*/

<?php
/*
Plugin Name: My tweets
Description: tweets
Version: 1.0
*/
if (!defined('ABSPATH')) exit;
require_once  "tw-v2-config.php";
require_once  "./vendor/autoload.php";

use Abraham\TwitterOAuth\TwitterOAuth;

function mytweets($new_status, $old_status, $post)
{
    
    if ($new_status == 'publish' && $old_status != 'publish') {
        try {
            $connection = new TwitterOAuth(APIKEY, APIKEYSECRET, ACCESSTOKEN, ACCESSTOKENSECRET);
            $connection->setApiVersion('2');
            $response = $connection->post('tweets', ['text' => get_the_title($post->ID) . "\n" . get_permalink($post->ID)], true);
        } catch (\Throwable $th) {
            //throw $th;
        }
    }
}
add_action('transition_post_status', 'mytweets', 10, 3);

<?php
date_default_timezone_set('Asia/Tokyo');
ini_set("display_errors",0);
require_once "./data/tw-config-v2.php";
require_once "../vendor/autoload.php";

use Abraham\TwitterOAuth\TwitterOAuth;

class tw
{
    var $connection = null;
    var $pdo = null;
    function __construct()
    {
        $this->connection = new TwitterOAuth(APIKEY, APISECRET, ACCESSTOKEN, ACCESSTOKENSECRET);
        $this->connection->setApiVersion("2");
    }
    function db_connection()
    {
        try {
            //code...
            $res = $this->pdo = new PDO("sqlite:./data/tw-tweets-db.sqlite3");
        } catch (\Throwable $th) {
            //throw $th;
            //print $th->getMessage();
            $res = false;
        }
        return $res;
    }

    function timecheck($timeonoff, $times)
    {
        if (!$timeonoff) return true;
        $n = new DateTime();
        $t = new DateTime($times);
        return $t <= $n ? true : false;
    }

    function pickup_tweets(mixed $tw_text = null, int $timeonoff = 0, mixed $times = null, string $id = "")
    {
        if (!$times) return false;
        $obj = (object)[];
        $times = preg_replace("/\-/", "/", $times);
        $times = preg_replace("/T/", " ", $times);

        if ($this->timecheck($timeonoff, $times)) {
            if (isset($tw_text) && is_array($tw_text)) {
                foreach ($tw_text as $key => $value) {
                    if (preg_replace("/[ |　]/", "", $value)) {
                        $obj = !$key ? ($this->connection->post("tweets", ["text" => $value], true)
                        ) : ($this->connection->post("tweets", ["reply" => ["in_reply_to_tweet_id" => $obj->data->id], "text" => $value], true)
                        );
                    }
                }
                return true;
            }
        } else {
            return $timeonoff ? $this->save_sqlite($tw_text, $timeonoff, $times, $id): true;
        }
    }

    function save_sqlite($tw_text = null, int $timeonoff = 0, mixed $times = null, string $id = "")
    {
        if ($this->db_connection()) {
            try {
                //code...
                if (isset($tw_text) && is_array($tw_text)) {
                    foreach ($tw_text as $key => &$value) {
                        if (preg_replace("/[ |　]/", "", $value)) {
                            $stmt = $this->pdo->prepare("insert into tweets (tw_id,user,times,tw_text)values(:tw_id,:user,:times,:tw_text)");
                            $stmt->bindValue(":tw_id", $key, PDO::PARAM_INT);
                            $stmt->bindValue(":user", $id, PDO::PARAM_STR);
                            $stmt->bindValue(":times", $times, PDO::PARAM_STR);
                            $stmt->bindValue(":tw_text", $value, PDO::PARAM_STR);
                            $stmt->execute();
                        }
                    }
                }
                $this->pdo = null;
                return true;
            } catch (\Throwable $th) {
                //throw $th;
                return false;
            }
        }
    }
    function tweets_load(string $id = "")
    {
        if (!$id) return false;
        try {
            //code...
            $value = null;
            if ($this->db_connection()) {
                $stmt = $this->pdo->prepare("select * from tweets where user = :user order by times,tw_id asc;");
                $stmt->bindValue(":user", $id, PDO::PARAM_STR);
                $res = $stmt->execute();
                $value = $res ? $stmt->fetchAll() : false;
                $this->pdo = null;
            }
            return $value;            
        } catch (\Throwable $th) {
            //throw $th;
            return false;
        }
    }
    function tweets_update(int $key = 0, int $timeonoff = 0, mixed $times = null, string $id = "",mixed $tw_text="")
    {
        try {
            //code...
            if(!preg_replace("/[ |　]{0,}/","",$tw_text))return false;
            if ($this->db_connection()) {
                $stmt = $this->pdo->prepare("update tweets set tw_text = :tw_text where tw_id = :tw_id and user = :user and times = :times");
                $stmt->bindValue(":tw_id", $key, PDO::PARAM_INT);
                $stmt->bindValue(":user", $id, PDO::PARAM_STR);
                $stmt->bindValue(":times", $times, PDO::PARAM_STR);
                $stmt->bindValue(":tw_text", $tw_text, PDO::PARAM_STR);
                $stmt->execute();
                $this->pdo = null;
            }
        } catch (\Throwable $th) {
            //throw $th;
            return false;
        }
        return true;

    }

    function tweets_delete(int $key = 0, int $timeonoff = 0, mixed $times = null, string $id = "")
    {
        try {
            //code...
            if ($this->db_connection()) {
                $stmt = $this->pdo->prepare("delete from tweets where tw_id = :tw_id and user = :user and times = :times");
                $stmt->bindValue(":tw_id", $key, PDO::PARAM_INT);
                $stmt->bindValue(":user", $id, PDO::PARAM_STR);
                $stmt->bindValue(":times", $times, PDO::PARAM_STR);
                $stmt->execute();
                $this->pdo = null;
            }
        } catch (\Throwable $th) {
            //throw $th;
            return false;
        }
        return true;
    }

    function bat_tweets(mixed $value = null)
    {
        if (!$value) return false;
        $obj = (object)[];
        $t = "";
        foreach ($value as $key => $val) {
            if ($this->timecheck(1, $val["times"])) {
                $obj = ($val["times"]<>$t)? ($this->connection->post("tweets", ["text" => $val["tw_text"]], true)
                ) : ($this->connection->post("tweets", ["reply" => ["in_reply_to_tweet_id" => $obj->data->id], "text" => $val["tw_text"]], true)
                );
                $this->tweets_delete($val["tw_id"], 1, $val["times"], $val["user"]);
                $t = $val["times"];
            } else {
              //  var_dump($val);
              //  break;
            }
        }
    }
}

if ($argv[0]) {
    $tw = new tw();
    $value = $tw->tweets_load(xss_d($argv[1]));
    $tw->bat_tweets($value);
}
function xss_d($val = false)
{
    if (is_array($val)) {
        foreach ($val as $key => $value) {
            $val[$key]  = strip_tags($value);
            $val[$key]  = htmlspecialchars($val[$key]);
        }
    } else {
        $val  = strip_tags($val);
        $val  = htmlspecialchars($val);
    }
    return $val;
}

<?php
ini_set("display_errors",0);
/**
 * @param array $holiday
 * @return string $str
 */
function fn_header($holiday = [])
{
    $str = "";
    $date = new DateTime();
    for ($i = 0; $i < 7; $i++) {
        !$i ? "" : $date->modify('+1 day');
        $w = $date->format("w");
        $tabindex = $i*7;
        $ho = (function ($days, $holiday = []) {
            return (array_search($days, $holiday) !== false) ? "holiday" : "";
        })($date->format("Y-m-d"), $holiday);
        $str .= "
        <th tabindex=$tabindex>
            <span class='header_no week_no_$w $ho'>" . $date->format("Y-m-d") . "</span>
        </th>";
    }
    return $str;
}
/**
 * @param int $h_min
 * @param int $h_max
 * @param int $m_interval
 * @param array $cnt
 * @param array $reserve
 * @param array $holiday
 * @return string $str
 */
function fn_time($h_min, $h_max, $m_interval,$cnt=[],$holiday = [], $reserve = [])
{
    $str= [];
    for ($h = $h_min; $h <= $h_max; $h++) {
        for ($m = 0; $m < 60; $m = $m + $m_interval) {
            print("<tr>\n");
            $date = new DateTime();
            for ($i = 0; $i < 7; $i++) {
                $cnt[$i]=!$cnt[$i]?(((($h_max - $h_min)+1)*(60/$m_interval))*($i))+7:(++$cnt[$i]);
                !$i ? "" : $date->modify('+1 day');
                $w = $date->format("w");
                $ho = (function ($days, $holiday = []) {
                    return (array_search($days, $holiday) !== false) ? "holiday" : "";
                })($date->format("Y-m-d"), $holiday);
                $time = sprintf("%02d:%02d",$h, $m);
                if ($ho) {
                    print("
                        <td class='' tabindex={$cnt[$i]}>
                            <span class='header_no week_no_$w $ho'>" . $time . "</span>
                        </td>");
                } else {
                    $r = (function ($days, $reserve = []) {
                        return (array_search($days, $reserve) !== false) ? "reserve" : "";
                    })($date->format("Y-m-d") . "_" . $time, $reserve);
                    if (!$r) {
                        print("
                            <td class='date_" . $date->format("Y-m-d") . "_{$time}' tabindex={$cnt[$i]} data-date='" . $date->format("Y-m-d") . "_{$time}'>
                                <a class='time_{$m}_" . $date->format("Y-m-d") . "_{$time}' data-sortno={$cnt[$i]}  href='#?data=" . $date->format("Y-m-d") . "_{$time}'><span class='header_no week_no_{$w} {$h}'>{$time}</span></a>
                            </td>");
                    } else {
                        print("
                            <td class='' tabindex={$cnt[$i]}>
                                <span class='header_no week_no_$w $r'>" . $time . "</span>
                            </td>");
                    }
                }
            }
            $date = null;
            print("</tr>\n");
        }
    }
    return "";
}
?>
<!DOCTYPE html>
<html lang="ja">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <meta name="Description" content="Enter your description here" />
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/5.1.0/css/bootstrap.min.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">
    <title>予約-時刻表(デモ版)</title>
    <style>
        table,tr,td{
            user-select: none;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="row">
            <div class="col-12 text-center">
                <h1 class="display-1">予約-時刻表<br></h1>
                <h5>{予約：時刻をクリックするか、<br>
                    左クリック選択状態で複数選択可能です<br>
                    （日付またぎは禁止しています）}</h5>
                <h5>{ダブルクリックすると予約画面に遷移します。<br>
                    ※DEMO版ですので予約登録画面は御座いません}</h5>
            </div>
        </div>
    </div>
    <div class="container-fluid  text-center">
        <div class="row">
            <div class="col-12">
                <table class="shadow-lg table table-hover table-bordered">
                    <thead>
                        <tr>
                            <?= fn_header() ?>
                        </tr>
                    </thead>
                    <tbody>
                        <?=fn_time(10, 20, 10,[],["2022-09-18","2022-09-23"],["2022-09-19_10:40","2022-09-19_10:50"]) ?>
                    </tbody>
                </table>
            </div>
        </div>
    </div>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/2.9.2/umd/popper.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/5.1.0/js/bootstrap.min.js"></script>
    <script src="./assets/js/main.js?<?=time()?>"></script>
</body>
</html>

let date_obj = document.querySelectorAll("td");
let submit_url = "https://example.com";
let is_date_data = [];
let cnt = 0;

date_obj.forEach(function (elm, key) {
    elm.addEventListener("mouseout", select_in_value);
    elm.addEventListener("click", sp_select_in_value);
    elm.addEventListener("touchend", sp_select_in_value);
    elm.addEventListener("dblclick", select_out_value);
});
function check_value(o, e) {
    if (is_date_data.length === 0) {
        return true;
    }
    let d = o.getAttribute("data-date");
    return d ? ((d) => {
        let f = is_date_data.find(element => {
            let pattern = new RegExp(d.split("_")[0]);
            return !element.match(pattern);
        }) ? false : true;
        if (!f) {
            select_clear(o, e);
            is_date_data = [];
            cnt = 0;
        }
        return f;
    })(d) : false;
}
function select_in_value(e) {
    if (e.buttons === 1 && check_value(this, e)) {
        if (this.getAttribute("data-date")) {
            this.style.backgroundColor = "#555";
            this.children[0].style.color = "#fff";
            if (is_date_data.indexOf(this.getAttribute("data-date")) && is_date_data.indexOf(this.getAttribute("data-date"))) {
                is_date_data[cnt] = this.getAttribute("data-date");
                cnt++;
            }
        }
    }
}
function sp_select_in_value(e) {
    if (check_value(this, e)) {
        if (this.getAttribute("data-date")) {
            this.style.backgroundColor = "#555";
            this.children[0].style.color = "#fff";
            if (is_date_data.indexOf(this.getAttribute("data-date")) && is_date_data.indexOf(this.getAttribute("data-date"))) {
                is_date_data[cnt] = this.getAttribute("data-date");
                cnt++;
            }
        }
    }
}
function select_out_value(e) {
    if (is_date_data.length) {
        let is_data = is_date_data.map(function (elm, index) {
            return "date[" + index + "]=" + elm;
        });
        window.location.href = submit_url + "?" + is_data.join("&");
    }
}
function select_clear(o, e) {
    let is_ClassName = [];
    is_ClassName = is_date_data.map(function (d) {
        return "date_" + d;
    });
    is_ClassName.map(class_name => {
        document.getElementsByClassName(class_name)[0].style.backgroundColor = "#fff";
        document.getElementsByClassName(class_name)[0].children[0].style.color = "#0d6efd";
    })
}

document.getElementById("Q9_select").innerHTML = (function () {
    let str = "";
    for (var i = 0; i <= 9; i++) {
        str += !i ? "<option value=''> " + "選択してください" + "</option>\n" : "<option value=" + i + ">" + i + "の段</option>\n";
    }
    return str;
})();
document.getElementById("Q9_select").addEventListener("change", function (e) {
    let Q = this.value ? this.value : 0;
    let str = "";
    let view_flg = 1;
    for (var i = 1; i <= 9; i++) {
        let ans = Q * i;
        str += "<p class='h2'><span class='text-primary'>" + Q + "</span> × " + i + "= <span class='Q9_ans' style='visibility:visible'>" + ans + "</span></p>";
    }
    str += "<p class='text-center'><button class='h2 btn btn-primary' id='view'>九九の解を<span id='txt'>非表示に</span>する</button></p>";
    document.getElementById("Q9_view").innerHTML = str;
    document.getElementById("view").addEventListener("click", function () {
        let object = document.getElementsByClassName("Q9_ans");
        for (const key in object) {
            if (Object.hasOwnProperty.call(object, key)) {
                const element = object[key];
                element.style.visibility = view_flg ? "hidden" : "visible";
            }
        }
        view_flg = view_flg ? 0 : 1;
        document.getElementById("txt").innerText = view_flg ? "非表示に" : "表示";
    });
});

date_default_timezone_set("Asia/Tokyo");