Simple scraper for MangaPanda.com

mangapanda.php

<?php

    // MangaPanda.com Scraper
    // Downloads manga to be read locally, and organizes the files.
    /// !!! It goes without saying, but if you don't own a physical copy of the manga, downloading it is illegal!
    /// @ Justin Eittreim <eittreim.justin@live.com>

    $name           = "ao-haru-ride"; // Name portion of the URL.
    $prettyname     = "Ao Haru Ride"; // Proper name, for the folder.
    $first_chapter  = 16;             // First chapter to scrape.
    $last_chapter   = 44;             // Last chapter to scrape.

    /// Get the total number of pages for this chapter
    function get_page_count($name, $chap) {
        $url = "http://www.mangapanda.com/{$name}/{$chap}/1";
        $page = file_get_contents($url) or FALSE;
        if ($page !== FALSE && preg_match('%</select> of (\d+)</div>%', $page, $matches)) {
            return intval($matches[1]);
        } else {
            return FALSE;
        }
    }

    /// Get the page image url
    function get_page($name, $chap, $page) {
        $url = "http://www.mangapanda.com/{$name}/{$chap}/{$page}";
        $page = file_get_contents($url) or FALSE;
        if ($page !== FALSE && preg_match('%<img id="img" width="\d+" height="\d+" src="([^"]+)" alt="[^"]+" name="img" />%', $page, $matches)) {
            return $matches[1];
        } else {
            return FALSE;
        }
    }

    // Ensure we have our folders set up
    if (!file_exists("./Manga/{$prettyname}/")) {
        mkdir("./Manga/{$prettyname}/", $recursive=true);
    }

    // For every chapter from first_chapter to last_chapter, download each page
    for ($chap = $first_chapter; $chap <= $last_chapter; $chap++) {
        // Ensure we have a folder for this chapter
        if (!file_exists("./Manga/{$prettyname}/Chapter {$chap}/")) {
            mkdir("./Manga/{$prettyname}/Chapter {$chap}/");
        }

        // Get the page count, so we can iterate from 1 to N
        $pages = get_page_count($name, $chap);
        if ($pages === FALSE) {
            die('FATAL: get_page_count returned FALSE for '.$name.' chapter '.$chap);
        }

        // Iterate over and download each page
        for ($page = 1; $page <= $pages; $page++) {
            $img = get_page($name, $chap, $page);
            if ($img === FALSE) {
                die('FATAL: get_page returned FALSE for '.$name.' chapter '.$chap.' page '.$page);
            }

            // Get the actual data for the page image
            $data = file_get_contents($img) or FALSE;
            if ($data === FALSE) {
                die('FATAL: page image data is FALSE for '.$name.' chapter '.$chap.' page '.$page);
            }

            // Write the data to an appropriately named file
            file_put_contents("./Manga/{$prettyname}/Chapter {$chap}/Page {$page}.jpg", $data);
            echo("Saved chapter {$chap} page {$page}: {$img}\n");
        }
    }

?>