bot_puridev.php

<?php
$access_token = '6tS7pO00ncfJFML6WrMEMXhtYru4rMFRapvH4qzPbxFp/2cf9dK6uxzzotYxyNMV51zGDZ23dznOogrpAhxNh3z881mOnyZ5M5mZVZPsyDj52DEvuJQZCf1u67UBBgkj+zrgPiD6n8Pd+lByPRTN0wdB04t89/1O/w1cDnyilFU=';

// Get POST body content
$content = file_get_contents('php://input');

// Parse JSON
$events = json_decode($content,true);

// Validate parsed JSON date_add
if(!is_null($events['events'])){
    foreach($events['events'] as $event){
        if($event['type']=='message' && $event['message']['type']=='text'){
            // Get text sent
            $text = $event['message']['text'];

            // Get reply token
            $replyToken = $event['replyToken'];

            // Build message to reply back
            $messages = [
                [
                    'type' => 'text',
                    'text' => "ดีคับ"
                ],
                [
                    'type' => 'text',
                    'text' => "เมื่อกี้คุณ พูดว่า..".$text
                ],
                [
                    'type' => 'text',
                    'text' => "มีอะไรเหรอครับ?"
                ],
            ];


            $url = 'https://api.line.me/v2/bot/message/reply';
            $data = [
                'replyToken'=> $replyToken,
                'messages'=>$messages
            ];
            $post = json_encode($data);
            $headers = ['Content-Type: application/json','Authorization: Bearer ' . $access_token];

            $ch = curl_init($url);
            curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
            curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
            $result = curl_exec($ch);
            curl_close($ch);

            echo $result."\r\n";
        }
    }
}

echo "OK";
?>