<span>public function domCrawler() {
</span>    <span>//instantiate the symfony DomCrawler Component
</span>    <span>$crawler = new Crawler($this->html);
</span>    <span>// create an array of all scrapped image links
</span>    <span>$result = $crawler
</span>        <span>->filterXpath('//img')
</span>        <span>->extract(array('src'));
</span>
<span>// download and save the image to the folder 
</span>    <span>foreach ($result as $image) {
</span>        <span>$path = $this->folder."/".basename($image);
</span>        <span>$file = file_get_contents($image);
</span>        <span>$insert = file_put_contents($path, $file);
</span>        <span>if (!$insert) {
</span>            <span>throw new <span>\Exception</span>('Failed to write image');
</span>        <span>}
</span>    <span>}
</span><span>}</span>

<span>public function createZip() {
</span>    <span>$folderFiles = scandir($this->folder);
</span>    <span>if (!$folderFiles) {
</span>        <span>throw new <span>\Exception</span>('Failed to scan folder');
</span>    <span>}
</span>    <span>$fileArray = array();
</span>    <span>foreach($folderFiles as $file){
</span>        <span>if (($file != ".") && ($file != "..")) {
</span>            <span>$fileArray[] = $this->folder."/".$file;
</span>        <span>}
</span>    <span>}
</span>
    <span>if (create_zip($fileArray, $this->fileName.'.zip')) {
</span>        <span>$this->status = <span><span><<<HTML</span>
</span></span><span>File successfully archived. <a href="<span><span>$this->fileName</span>.zip">Download it now</a>
</span></span><span><span>HTML<span>;</span></span>
</span>    <span>} else {
</span>        <span>$this->status = "An error occurred";
</span>    <span>}
</span><span>}</span>

<span>public function deleteCreatedFolder() {
</span>    <span>$dp = opendir($this->folder) or die ('ERROR: Cannot open directory');
</span>    <span>while ($file = readdir($dp)) {
</span>        <span>if ($file != '.' && $file != '..') {
</span>            <span>if (is_file("<span><span>$this->folder</span>/<span>$file</span>"</span>)) {
</span>                <span>unlink("<span><span>$this->folder</span>/<span>$file</span>"</span>);
</span>            <span>}
</span>        <span>}
</span>    <span>}
</span>    <span>rmdir($this->folder) or die ('could not delete folder');
</span><span>}</span>