+ function toBase64()
+ {
+ if(!preg_match('/^image\//', $this->mimetype)){
+ return false;
+ }
+
+ $file = $this->getStoreName();
+
+ if(!file_exists($file)){
+ return false;
+ }
+
+ $data = file_get_contents($file);
+
+ $base64 = 'data:' . $this->mimetype . ';base64,' . base64_encode($data);
+
+ return $base64;
+ }
+
+ function getPdfPages($file)
+ {
+ require_once 'System.php';
+
+ $page = 0;
+
+ $pdfinfo = System::which('pdfinfo');
+
+ if (!file_exists($file) || empty($pdfinfo)) {
+ return $page;
+ }
+
+ $cmd = "{$pdfinfo} {$file}";
+
+ $ret = `$cmd`;
+
+ $info = explode("\n", $ret);
+
+ foreach ($info as $i){
+
+ if(!preg_match('/^Pages:[\s]*([0-9]+)/', $i, $matches)){
+ continue;
+ }
+
+ $page = (empty($matches[1])) ? 0 : $matches[1];
+ }
+
+ return $page;
+ }
+