movie_cast.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 = [
            'roles' => [],
            'directors' => [],
            'producers' => [],
            'writers' => [],
        ];
        $roleCount = [];

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

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

            $cast = $item['castcrew'];
            if (!array_key_exists('castcrewCastName', $cast)) {
                continue;
            }

            $roleName = $cast['castcrewCastName'];

            if (array_key_exists('nameKo', $item)) {
                $castName = $item['nameKo'];
            } else if (array_key_exists('nameEn', $item)) {
                $castName = $item['nameEn'];
            } else {
                continue;
            }

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

            $data = [
                'name' => $castName,
                'role' => $roleName,
                'photo' => $photo,
            ];

            if (mb_strpos($roleName, '감독') !== false or mb_strpos($roleName, '연출') !== false) {
                $result['directors'][] = $data;
            } elseif (mb_strpos($roleName, '제작') !== false) {
                $result['producers'][] = $data;
            } elseif (mb_strpos($roleName, '극본') !== false or mb_strpos($roleName, '각본') !== false) {
                $result['writers'][] = $data;
            } elseif (mb_strpos($roleName, '주연') !== false or mb_strpos($roleName, '조연') !== false or mb_strpos($roleName, '출연') !== false or mb_strpos($roleName, '진행') !== false) {
                if (!array_key_exists('castcrewTitleKo', $cast)) {
                    continue;
                }

                $role = $cast['castcrewTitleKo'];
                if (array_key_exists($role, $roleCount)) {
                    $roleCount[$role] += 1;
                    $data['role'] = $role . ' ' . $roleCount[$role];
                } else {
                    $roleCount[$role] = 1;
                    $data['role'] = $role;
                }

                $result['roles'][] = $data;
            } else {
                if (!array_key_exists('others')) {
                    $result['others'] = [];
                }

                $result['others'][] = $data;
            }
        }

        return $result;
    }

    function main($movieId)
    {
        try {
            $content = curl('http://movie.daum.net/data/movie/movie_info/cast_crew.json?pageNo=1&pageSize=100&movieId=' . $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);