workerGeter.php

<?php

function file_get_contents_curl($url) {
    $curl_handle=curl_init();
    curl_setopt($curl_handle, CURLOPT_URL,$url);
    curl_setopt($curl_handle, CURLOPT_CONNECTTIMEOUT, 2);
    curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl_handle, CURLOPT_USERAGENT, 'Your application name');
    $query = curl_exec($curl_handle);
    curl_close($curl_handle);
    return $query;
} 

function workerGetData($id, $folder){
	$url = "http://www.shutterstock.com/pic.mhtml?id=".$id."&src=id";
    $page = file_get_contents_curl($url);
    preg_match_all('/<h1>.*/', $page, $title);
    $title = preg_replace("/<h1>/", "", $title[0]);
    
    preg_match_all('/id="kw_\d+".*<\/a>/', $page, $KW);
    foreach ($KW[0] as $value) {
        $arr[] = preg_replace(array('/.*html">/', '/<\/a>/'), "", $value);
    }
    $keyWords = implode(", ", $arr);

    $data = array('title' => $title[0], 'keywords' => $keyWords);
    $data = json_encode($data);
    file_put_contents("./".$folder."/Data/".$id.".txt", $data);
}	

workerGetData($argv[1], $argv[2]);