movie_photo.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 getJson($content)
    {
        $result = [
            'posters' => [],
            'arts' => [],
            'others' => [],
        ];

        $json = json_decode($content, true);
        if (empty($json['data'])) {
            throw new Exception("Can't find json data.");
        }

        foreach ($json['data'] as $item) {
            if (!array_key_exists('photoCategory', $item)) {
                continue;
            }

            $photoCategory = (int)$item['photoCategory'];

            if (array_key_exists('fullname', $item)) {
                $photo = $item['fullname'];
            } else if (array_key_exists('thumbnail', $item)) {
                $photo = $item['thumbnail'];
            } else {
                continue;
            }

            if ($photoCategory == 1) {
                $result['posters'][] = $photo;
            } else if ($photoCategory == 2 or $photoCategory == 50) {
                $result['arts'][] = $photo;
            } else {
                $result['others'][] = $photo;
            }
        }

        return $result;
    }

    function main($movieId)
    {
        try {
            $content = curl('http://movie.daum.net/data/movie/photo/movie/list.json?pageNo=1&pageSize=100&id=' . $movieId);
            $json = [
                'data' => getJson($content),
            ];
        } 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('id', $_GET) ? (int)$_GET['id'] : 0);