movie_search.php

<?php
    function curl($url)
    {
        $ua = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36';
        $curl = curl_init($url);
        curl_setopt($curl, CURLOPT_USERAGENT, $ua);
        curl_setopt($curl, CURLOPT_FAILONERROR, true);
        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
        $output = curl_exec($curl);
        curl_close($curl);

        return $output;
    }

    function getPageData($url, &$result)
    {
        $content = curl($url);
        $json = json_decode($content, true);
        foreach ($json['data'] as $item) {
            $year = $item['prodYear'];
            $id = $item['movieId'];
            $title = strip_tags($item['titleKo']);

            $result[] = [
                'year' => (string)$year,
                'id' => (string)$id,
                'title' => $title,
            ];
        }

        return $json;
    }

    function getJson($mediaName)
    {
        $result = [];
        $url = 'http://movie.daum.net/data/movie/search/v2/movie.json?size=20&start=1&searchText=' . urlencode($mediaName);
        $json = getPageData($url, $result);
        $last_page = $json['page']['last'];
        for ($page = 2; $page <= $last_page; ++$page) {
            $prev_page = $page - 1;
            $url = str_replace('&start=' . $prev_page, '&start=' . $page, $url);
            getPageData($url, $result);
        }

        return $result;
    }

    function main($mediaName)
    {
        try {
            $json = [
                'data' => getJson($mediaName),
            ];
        } catch (Exception $e) {
            $json = [
                'error' => (string)$e,
            ];
        }

        header('Content-Type: application/json');
        $result = json_encode($json, JSON_UNESCAPED_UNICODE);
        echo $result;
    }

    main(array_key_exists('name', $_GET) ? $_GET['name'] : '');