Using a great script to grab details from imdb, I would like to thank Fabian Beiner.

Just one error i have encountered with it is:

Use of undefined constant sys_get_temp_dir assumed 'sys_get_temp_dir' in '/path/to/directory' on line 49

This is the complete script

<?php
/**
* IMDB PHP Parser
*
* This class can be used to retrieve data from IMDB.com with PHP. This script will fail once in
* a while, when IMDB changes *anything* on their HTML. Guys, it's time to provide an API!
*
* @link http://fabian-beiner.de
* @copyright 2010 Fabian Beiner
* @author Fabian Beiner (mail [AT] fabian-beiner [DOT] de)
* @license MIT License
*
* @version 4.1 (February 1st, 2010)
*
*/

class IMDB {
    private $_sHeader = null;
    private $_sSource = null;
    private $_sUrl    = null;
    private $_sId     = null;
    public  $_bFound  = false;
    private $_oCookie = '/tmp/imdb-grabber-fb.tmp';

    const IMDB_CAST         = '#<a href="/name/(\w+)/" onclick="\(new Image\(\)\)\.src=\'/rg/castlist/position-(\d|\d\d)/images/b\.gif\?link=/name/(\w+)/\';">(.*)</a>#Ui';
    const IMDB_COUNTRY      = '#<a href="/Sections/Countries/(\w+)/">#Ui';
    const IMDB_DIRECTOR     = '#<a href="/name/(\w+)/" onclick="\(new Image\(\)\)\.src=\'/rg/directorlist/position-(\d|\d\d)/images/b.gif\?link=name/(\w+)/\';">(.*)</a><br/>#Ui';
    const IMDB_GENRE        = '#<a href="/Sections/Genres/(\w+|\w+\-\w+)/">(\w+|\w+\-\w+)</a>#Ui';
    const IMDB_MPAA         = '#<h5><a href="/mpaa">MPAA</a>:</h5>\s*<div class="info-content">\s*(.*)\s*</div>#Ui';
    const IMDB_PLOT         = '#<h5>Plot:</h5>\s*<div class="info-content">\s*(.*)\s*<a#Ui';
    const IMDB_POSTER       = '#<a name="poster" href="(.*)" title="(.*)"><img border="0" alt="(.*)" title="(.*)" src="(.*)" /></a>#Ui';
    const IMDB_RATING       = '#<b>(\d\.\d/10)</b>#Ui';
    const IMDB_RELEASE_DATE = '#<h5>Release Date:</h5>\s*\s*<div class="info-content">\s*(.*) \((.*)\)#Ui';
    const IMDB_RUNTIME      = '#<h5>Runtime:</h5>\s*<div class="info-content">\s*(.*)\s*</div>#Ui';
    const IMDB_SEARCH       = '#<b>Media from&nbsp;<a href="/title/tt(\d+)/"#i';
    const IMDB_TAGLINE      = '#<h5>Tagline:</h5>\s*<div class="info-content">\s*(.*)\s*</div>#Ui';
    const IMDB_TITLE        = '#<title>(.*) \((.*)\)</title>#Ui';
    const IMDB_URL          = '#http://(.*\.|.*)imdb.com/(t|T)itle(\?|/)(..\d+)#i';
    const IMDB_VOTES        = '#&nbsp;&nbsp;<a href="ratings" class="tn15more">(.*) votes</a>#Ui';
    const IMDB_WRITER       = '#<a href="/name/(\w+)/" onclick="\(new Image\(\)\)\.src=\'/rg/writerlist/position-(\d|\d\d)/images/b\.gif\?link=name/(\w+)/\';">(.*)</a>#Ui';
    const IMDB_REDIRECT     = '#Location: (.*)#';

    /**
     * Public constructor.
     *
     * @param string $sSearch
     */
    public function __construct($sSearch) {
        if (function_exists(sys_get_temp_dir)) {
            $this->_oCookie = tempnam(sys_get_temp_dir(), 'imdb');
        }
        $sUrl = $this->findUrl($sSearch);
        if ($sUrl) {
            $bFetch        = $this->fetchUrl($this->_sUrl);
            $this->_bFound = true;
        }
    }

    /**
     * Little REGEX helper.
     *
     * @param string $sRegex
     * @param string $sContent
     * @param int    $iIndex;
     */
    private function getMatch($sRegex, $sContent, $iIndex = 1) {
        preg_match($sRegex, $sContent, $aMatches);
        if ($iIndex > count($aMatches)) return;
        if ($iIndex == null) {
            return $aMatches;
        }
        return $aMatches[(int)$iIndex];
    }

    /**
     * Little REGEX helper, I should find one that works for both... ;/
     *
     * @param string $sRegex
     * @param int    $iIndex;
     */
    private function getMatches($sRegex, $iIndex = null) {
        preg_match_all($sRegex, $this->_sSource, $aMatches);
        if ((int)$iIndex) return $aMatches[$iIndex];
        return $aMatches;
    }

    /**
     * Save an image.
     *
     * @param string $sUrl
     */
    private function saveImage($sUrl) {
        $sUrl   = trim($sUrl);
        $bolDir = false;
        if (!is_dir(getcwd() . '/posters')) {
            if (mkdir(getcwd() . '/posters', 0777)) {
                $bolDir = true;
            }
        }
        $sFilename = getcwd() . '/posters/' . preg_replace("#[^0-9]#", "", basename($sUrl)) . '.jpg';
        if (file_exists($sFilename)) {
            return 'posters/' . basename($sFilename);
        }
        if (is_dir(getcwd() . '/posters') OR $bolDir) {
            if (function_exists('curl_init')) {

                $oCurl = curl_init($sUrl);
                curl_setopt_array($oCurl, array (
                                                CURLOPT_VERBOSE => 0,
                                                CURLOPT_HEADER => 0,
                                                CURLOPT_RETURNTRANSFER => 1,
                                                CURLOPT_TIMEOUT => 5,
                                                CURLOPT_CONNECTTIMEOUT => 5,
                                                CURLOPT_REFERER => $sUrl,
                                                CURLOPT_BINARYTRANSFER => 1));
                $sOutput = curl_exec($oCurl);
                curl_close($oCurl);
                $oFile = fopen($sFilename, 'x');
                fwrite($oFile, $sOutput);
                fclose($oFile);
                return 'posters/' . basename($sFilename);
            } else {
                $oImg = imagecreatefromjpeg($sUrl);
                imagejpeg($oImg, $sFilename);
                return 'posters/' . basename($sFilename);
            }
            return false;
        }
        return false;
    }

    /**
     * Find a valid Url out of the passed argument.
     *
     * @param string $sSearch
     */
    private function findUrl($sSearch) {
        $sSearch = trim($sSearch);
        if ($aUrl = $this->getMatch(self::IMDB_URL, $sSearch, 4)) {
            $this->_sId  = 'tt' . preg_replace('[^0-9]', '', $aUrl);
            $this->_sUrl = 'http://www.imdb.com/title/' . $this->_sId .'/';
            return true;
        } else {
            $sTemp    = 'http://www.imdb.com/find?s=all&q=' . str_replace(' ', '+', $sSearch) . '&x=0&y=0';
            $bFetch   = $this->fetchUrl($sTemp);
            if( $this->isRedirect() ) {
                return true;
            }
            else if ($bFetch) {
                if ($strMatch = $this->getMatch(self::IMDB_SEARCH, $this->_sSource)) {
                    $this->_sUrl = 'http://www.imdb.com/title/tt' . $strMatch . '/';
                    unset($this->_sSource);
                    return true;
                }
            }
        }
        return false;
    }

    /**
     * Find if result is redirected directly to exact movie.
     */
    private function isRedirect()
    {
        if ($strMatch = $this->getMatch(self::IMDB_REDIRECT, $this->_sHeader)) {
            $this->_sUrl = $strMatch;
            unset($this->_sSource);
            unset($this->_sHeader);
            return true;
        }
        return false;
    }

    /**
    * Fetch data from given Url.
    * Uses cURL if installed, otherwise falls back to file_get_contents.
    *
    * @param string $sUrl
    * @param int    $iTimeout;
    */
    private function fetchUrl($sUrl, $iTimeout = 15) {
        $sUrl = trim($sUrl);
        if (function_exists('curl_init')) {
            $oCurl = curl_init($sUrl);
            curl_setopt_array($oCurl, array (
                                            CURLOPT_VERBOSE => 0,
                                            CURLOPT_HEADER => 1,
                                            CURLOPT_FRESH_CONNECT => true,
                                            CURLOPT_RETURNTRANSFER => 1,
                                            CURLOPT_TIMEOUT => (int)$iTimeout,
                                            CURLOPT_CONNECTTIMEOUT => (int)$iTimeout,
                                            CURLOPT_REFERER => $sUrl,
                                            CURLOPT_FOLLOWLOCATION => 0,
                                            CURLOPT_COOKIEFILE => $this->_oCookie,
                                            CURLOPT_COOKIEJAR => $this->_oCookie,
                                            CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6'
                                            ));
            $sOutput = curl_exec($oCurl);

            if ($sOutput === false) {
                return false;
            }

            $aInfo = curl_getinfo($oCurl);
            if ($aInfo['http_code'] != 200 && $aInfo['http_code'] != 302) {
                return false;
            }
            $sTmpHeader     = strpos($sOutput, "\r\n\r\n");
            $this->_sHeader = substr($sOutput, 0, $sTmpHeader);
            $this->_sSource = str_replace("\n", '', substr($sOutput, $sTmpHeader+1));
            curl_close($oCurl);

            return true;
        } else {
            $sOutput = @file_get_contents($sUrl, 0);
            if (strpos($http_response_header[0], '200') === false){
                return false;
            }
            $this->_sSource = str_replace("\n", '', (string)$sOutput);
            return true;
        }
        return false;
    }

    /**
     * Returns the cast.
     */
    public function getCast($iOutput = null, $bMore = true) {
        if ($this->_sSource) {
            $sReturned = $this->getMatches(self::IMDB_CAST, 4);
            if (is_array($sReturned)) {
                if ($iOutput) {
                    foreach ($sReturned as $i => $sName) {
                        if ($i >= $iOutput) break;
                        $sReturn[] = $sName;
                    }
                    return implode(' / ', $sReturn) . (($bMore) ? '&hellip;' : '');
                }
                return implode(' / ', $sReturned);
            }
            return $sReturned;
        }
        return 'n/A';
    }

    /**
     * Returns the cast as links.
     */
    public function getCastAsUrl($iOutput = null, $bMore = true) {
        if ($this->_sSource) {
            $sReturned1 = $this->getMatches(self::IMDB_CAST, 4);
            $sReturned2 = $this->getMatches(self::IMDB_CAST, 3);
            if (is_array($sReturned1)) {
                if ($iOutput) {
                    foreach ($sReturned1 as $i => $sName) {
                        if ($i >= $iOutput) break;
                        $aReturn[] = '<a href="http://www.imdb.com/name/' . $sReturned2[$i] . '/">' . $sName . '</a>';;
                    }
                    return implode(' / ', $aReturn) . (($bMore) ? '&hellip;' : '');
                }
                return implode(' / ', $sReturned);
            }
            return '<a href="http://www.imdb.com/name/' . $sReturned2 . '/">' . $sReturned1 . '</a>';;
        }
        return 'n/A';
    }

    /**
     * Returns the countr(y|ies).
     */
    public function getCountry() {
        if ($this->_sSource) {
            $sReturned = $this->getMatches(self::IMDB_COUNTRY, 1);
            if (is_array($sReturned)) {
                return implode(' / ', $sReturned);
            }
            return $sReturned;
        }
        return 'n/A';
    }

    /**
     * Returns the countr(y|ies) as link(s).
     */
    public function getCountryAsUrl() {
        if ($this->_sSource) {
            $sReturned = $this->getMatches(self::IMDB_COUNTRY, 1);
            if (is_array($sReturned)) {
                foreach ($sReturned as $sCountry) {
                    $aReturn[] = '<a href="http://www.imdb.com/Sections/Countries/' . $sCountry . '/">' . $sCountry . '</a>';
                }
                return implode(' / ', $aReturn);
            }
            return '<a href="http://www.imdb.com/Sections/Countries/' . $sReturned . '/">' . $sReturned . '</a>';
        }
        return 'n/A';
    }

    /**
     * Returns the director(s).
     */
    public function getDirector() {
        if ($this->_sSource) {
            $sReturned = $this->getMatches(self::IMDB_DIRECTOR, 4);
            if (is_array($sReturned)) {
                return implode(' / ', $sReturned);
            }
            return $sReturned;
        }
        return 'n/A';
    }

    /**
     * Returns the director(s) as link(s).
     */
    public function getDirectorAsUrl() {
        if ($this->_sSource) {
            $sReturned1 = $this->getMatches(self::IMDB_DIRECTOR, 4);
            $sReturned2 = $this->getMatches(self::IMDB_DIRECTOR, 1);
            if (is_array($sReturned1)) {
                foreach ($sReturned1 as $i => $sDirector) {
                    $aReturn[] = '<a href="http://www.imdb.com/name/' . $sReturned2[$i] . '/">' . $sDirector . '</a>';
                }
                return implode(' / ', $aReturn);
            }
            return '<a href="http://www.imdb.com/name/' . $sReturned2 . '/">' . $sReturned1 . '</a>';
        }
        return 'n/A';
    }

    /**
     * Returns the genre(s).
     */
    public function getGenre() {
        if ($this->_sSource) {
            $sReturned = $this->getMatches(self::IMDB_GENRE, 1);
            if (is_array($sReturned)) {
                return implode(' / ', $sReturned);
            }
            return $sReturned;
        }
        return 'n/A';
    }

    /**
     * Returns the genre(s) as link(s).
     */
    public function getGenreAsUrl() {
        if ($this->_sSource) {
            $sReturned = $this->getMatches(self::IMDB_GENRE, 1);
            if (is_array($sReturned)) {
                foreach ($sReturned as $i => $sGenre) {
                    $aReturn[] = '<a href="http://www.imdb.com/Sections/Genres/' . $sGenre . '/">' . $sGenre . '</a>';
                }
                return implode(' / ', $aReturn);
            }
            return '<a href="http://www.imdb.com/Sections/Genres/' . $sReturned . '/">' . $sReturned . '</a>';
        }
        return 'n/A';
    }

    /**
     * Returns the mpaa.
     */
    public function getMpaa() {
        if ($this->_sSource) {
            return implode('' , $this->getMatches(self::IMDB_MPAA, 1));
        }
        return 'n/A';
    }

    /**
     * Returns the plot.
     */
    public function getPlot() {
        if ($this->_sSource) {
            return implode('' , $this->getMatches(self::IMDB_PLOT, 1));
        }
        return 'n/A';
    }

    /**
     * Download the poster, cache it and return the local path to the image.
     */
    public function getPoster() {
        if ($this->_sSource) {
            if ($sPoster = $this->saveImage(implode("", $this->getMatches(self::IMDB_POSTER, 5)), 'poster.jpg')) {
                return $sPoster;
            }
            return implode('', $this->getMatches(self::IMDB_POSTER, 5));
        }
        return 'n/A';
    }

    /**
     * Returns the rating.
     */
    public function getRating() {
        if ($this->_sSource) {
            return implode('', $this->getMatches(self::IMDB_RATING, 1));
        }
        return 'n/A';
    }

    /**
     * Returns the release date.
     */
    public function getReleaseDate() {
        if ($this->_sSource) {
            return implode('', $this->getMatches(self::IMDB_RELEASE_DATE, 1));
        }
        return 'n/A';
    }

    /**
     * Returns the runtime of the current movie.
     */
    public function getRuntime() {
        if ($this->_sSource) {
            return implode('', $this->getMatches(self::IMDB_RUNTIME, 1));
        }
        return 'n/A';
    }

    /**
     * Returns the tagline.
     */
    public function getTagline() {
        if ($this->_sSource) {
            return implode('', $this->getMatches(self::IMDB_TAGLINE, 1));
        }
        return 'n/A';
    }

    /**
     * Get the release date of the current movie.
     */
    public function getTitle() {
        if ($this->_sSource) {
            return implode('', $this->getMatches(self::IMDB_TITLE, 1));
        }
        return 'n/A';
    }

    /**
     * Returns the url.
     */
    public function getUrl() {
        return $this->_sUrl;
    }

    /**
     * Get the votes of the current movie.
     */
    public function getVotes() {
        if ($this->_sSource) {
            return implode('', $this->getMatches(self::IMDB_VOTES, 1));
        }
        return 'n/A';
    }

    /**
     * Get the year of the current movie.
     */
    public function getYear() {
        if ($this->_sSource) {
            return implode('', $this->getMatches(self::IMDB_TITLE, 2));
        }
        return 'n/A';
    }

    /**
     * Returns the writer(s).
     */
    public function getWriter() {
        if ($this->_sSource) {
            $sReturned = $this->getMatches(self::IMDB_WRITER, 4);
            if (is_array($sReturned)) {
                return implode(' / ', $sReturned);
            }
            return $sReturned;
        }
        return 'n/A';
    }

    /**
     * Returns the writer(s) as link(s).
     */
    public function getWriterAsUrl() {
        if ($this->_sSource) {
            $sReturned1 = $this->getMatches(self::IMDB_WRITER, 4);
            $sReturned2 = $this->getMatches(self::IMDB_WRITER, 1);
            if (is_array($sReturned1)) {
                foreach ($sReturned1 as $i => $sWriter) {
                    $aReturn[] = '<a href="http://www.imdb.com/name/' . $sReturned2[$i] . '/">' . $sWriter . '</a>';
                }
                return implode(' / ', $aReturn);
            }
            return '<a href="http://www.imdb.com/name/' . $sReturned2 . '/">' . $sReturned1 . '</a>';
        }
        return 'n/A';
    }
}
?>