LINEBot_reply_min

index.php

<?php

const CHANNEL_ACCESS_TOKEN = '[取得したCHANNEL ACCESS TOKEN]';

$entityBody = file_get_contents('php://input');
$data = json_decode($entityBody, true);

foreach ($data['events'] as $event) {
    switch ($event['type']) {
        case 'message':
            $message = $event['message'];
            $text = mb_convert_kana($message['text'], 'KVas');
            $message = array(
                'replyToken' => $event['replyToken'],
                'messages' => array(
                    array(
                        'type' => 'text',
                        'text' => $text
                    )
                )
            );

            $header = array(
                "Content-Type: application/json",
                'Authorization: Bearer ' . CHANNEL_ACCESS_TOKEN,
            );

            $context = stream_context_create(array(
                "http" => array(
                    "method" => "POST",
                    "header" => implode("\r\n", $header),
                    "content" => json_encode($message),
                ),
            ));
            $response = file_get_contents('https://api.line.me/v2/bot/message/reply', false, $context);
        default:
            error_log("Unsupporeted event type: " . $event['type']);
            break;
    }
}