“wp_ajax_nopriv_{$action}”

{
  "name": "lancers footpoints",
  "version": "1.0.0",
  "manifest_version": 3,
  "description": "ランサーズ。",
  "permissions": [
    "tabs",
    "scripting"
  ],
  "action": {
    "default_icon": "icon20221101.png.webp"
  },
  "background": {
    "service_worker": "src/background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.lancers.jp/work/search*"
      ],
      "css":["src/style.css"]
    }
  ]
}

<?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;
}

(function(){
    const doc = document.querySelectorAll("input");
    doc.forEach((e,k,p)=>{
        p[k].addEventListener("blur",(e)=>{
            var data = {};
            data["name"] = e.target.name;
            data["value"] = e.target.value;
            send1(data);
        });
    });
})();

function send1(data){
    var xhr = new XMLHttpRequest();
    xhr.open("GET", "/?${data.name}=${data.value}", true);
    xhr.onload = function (e) {
      if (xhr.readyState === 4) {
        if (xhr.status === 200) {
          console.log(xhr.responseText);
        } else {
          console.error(xhr.statusText);
        }
      }
    };
    xhr.onerror = function (e) {
      console.error(xhr.statusText);
    };
    xhr.send(null);     
}

<!DOCTYPE html>
<html lang="ja">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <button id="api">非同期通信</button>
    <script>
        document.getElementById("api").addEventListener("click", api);

        function api() {
            let data = [];
            data.push({"name":"樹龍"});
            console.log(param(data));
            fetch("./api.php", {
                method: "POST",
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded'
                },
                body:param(data)
            }).then(
                response => response.json()
            ).then(data => {
                console.log('data', data);
            }).catch(error => {
                console.log('error', error);
            });
        }
        function param(data){
            let str = [];
            for(key in data){
                for(keyname in data[key]){
                    str.push(keyname +"="+ encodeURIComponent(data[key][keyname]));
                }
            }
            return str.join("&");
        }
    </script>
</body>

</html>

<?php
$name = htmlspecialchars(strip_tags($_POST['name']));
$response['res'] = $name;
print json_encode($response);

http://blog.goo.ne.jp/XMLRPC
http://blogsearch.google.co.jp/ping/RPC2
http://blogsearch.google.com/ping/RPC2
http://ping.bloggers.jp/rpc/
http://ping.blogmura.jp/rpc/
http://ping.exblog.jp/xmlrpc
http://ping.fc2.com/
http://api.my.yahoo.com/RPC2

<?php
class testA{
    public $a = "";
    public function __construct($a)
    {
        $this->a = $a;
    }
    public function test1($a=""):string{
        return (string)$this->a." ".$a."<br>\n";
    }
    public function test2($a=""):string{
        return (string)$this->a." ".$a."<br>\n";
    }
}
class test{
    public function main($a="Hello"):object
    {
        $this->a = $a;
        return new testA($this->a);
    }
}
$test = new test();
print $test->main()->test1("PHP");
print $test->main("by")->test2("C");

<?php
    class test{
        function main(){
            return new class{
                function testA(){
                    return "testA";
                }
                function testB(){
                    return "testB";
                }
            };
        }
    }
    $test = new test();
    print $test->main()->testA();
    print $test->main()->testB();

<?php wp_body_open();?>

<?php
/*
Plugin Name: Z-Electric-bulletin-board
Plugin URI: https://zip358.com/plugin/Z-Electric-bulletin-board.zip
Description: お知らせ
Author: taoka toshiaki
Version: 1.0
Author URI: https://zip358.com/
*/
add_action( 'wp_head', function() {
    $color = get_option('ZEBB_color')?get_option('ZEBB_color'):"ffffff";
    $cssdata ="
    <style>
        /* =====================
            電光掲示板
        ======================= */
        .ledText {
            overflow: hidden;
            position: relative;
            padding:5px 0;
            color: #$color;
            font-size: 60px;
            font-weight: bold;
            background: #333333;
        }
        /* CSS3グラデーションでドット感を出す */
        .ledText:after {
            content: ' ';
            display: block;
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background-image: linear-gradient(#0a0600 1px, transparent 0px), linear-gradient(0, #0a0600 1px, transparent 1px);
            background-image: -webkit-linear-gradient(#0a0600 1px, transparent 0px), -webkit-linear-gradient(0, #0a0600 1px, transparent 1px);
            background-size: 2px 2px;
            z-index: 10;
        }
        /* CSS3アニメーションでスクロール */
        .ledText span {
            display: inline-block;
            white-space: nowrap;
            padding-left: 100%;
            -webkit-animation-name: marquee;
            -webkit-animation-timing-function: linear;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-duration: 15s;
            -moz-animation-name: marquee;
            -moz-animation-timing-function: linear;
            -moz-animation-iteration-count: infinite;
            -moz-animation-duration: 15s;
            animation-name: marquee;
            animation-timing-function: linear;
            animation-iteration-count: infinite;
            animation-duration: 15s;
        }
        @-webkit-keyframes marquee {
        from   { -webkit-transform: translate(0%);}
        99%,to { -webkit-transform: translate(-100%);}
        }
        @-moz-keyframes marquee {
        from   { -moz-transform: translate(0%);}
        99%,to { -moz-transform: translate(-100%);}
        }
        @keyframes marquee {
        from   { transform: translate(0%);}
        99%,to { transform: translate(-100%);}
        }
    </style>
    ";
    print $cssdata;
 });
add_action("wp_body_open",function(){
    $text = get_option('ZEBB_text')?get_option('ZEBB_text'):"";
    if($text)print '<p class="ledText"><span>'.$text.'</span></p>';
});
add_action('admin_menu','Z_Electric_bulletin_board_set');
function Z_Electric_bulletin_board_set(){
	add_options_page(
		'zip358.com：プラグイン',
		'電光掲示板設定',
		'administrator',
		'Z_Electric_bulletin_board',
		function(){
            if(isset($_POST["ZEBB_color"]) or isset($_POST["ZEBB_text"])){
                $color = preg_match("/[a-zA-Z0-9]*/",$_POST["ZEBB_color"])?$_POST["ZEBB_color"]:"ffffff";
                update_option('ZEBB_color', wp_unslash($color));
                $text = $_POST["ZEBB_text"];
                update_option('ZEBB_text', wp_unslash($text));
            }
            ?>
            <form method="post" action="">
                <h2>電光掲示板設定</h2>
                color code #<input type="text" style="width:350px" name="ZEBB_color" value="<?=get_option('ZEBB_color')?get_option('ZEBB_color'):""?>" placeholder="f7f7f7"><br>
                text <input type="text" style="width:350px" name="ZEBB_text" value="<?=get_option('ZEBB_text')?get_option('ZEBB_text'):""?>" placeholder="文字を記入してください"><br>
                テキスト文字を未入力にすると電光掲示板が表示されません
                <?php submit_button(); ?>
            </form>
            <?php
        }
	);
}