config for convert and pdftk

config.sample.php

@@ -1,5 +1,6 @@
 <?php
-$CONVERT_CMD = "/usr/local/bin/pdftk";
+$CONVERT_CMD = "/usr/local/bin/convert";
+$PDFTK_CMD = "/usr/local/bin/pdftk";
 
 $mailHost = 'mailserver.example.com';   // Specify main and backup server
 $mailPort = 587;                        // Set the SMTP port

submit.php

@@ -388,7 +388,7 @@ foreach ($_POST['desc'] as $key => $val) {
 $resultnam = tempnam("/tmp","karesult");
 
 
-$cmd = "$CONVERT_CMD";
+$cmd = "$PDFTK_CMD";
 foreach ($pdfs as $filename){
 	$cmd .= " $filename";
 }

upload.php

@@ -47,7 +47,7 @@ foreach ($_FILES as $key=>$files){
 			file_put_contents("/tmp/log.txt", "file-$key-$i\n", FILE_APPEND | LOCK_EX);
 			file_put_contents("/tmp/log.txt", $files['name'][$i], FILE_APPEND | LOCK_EX);
 			$tmpfname = tempnam("/tmp", "FOO");
-			$cmd = "/usr/local/bin/convert $tmpname PDF:$tmpfname";
+			$cmd = "$CONVERT_CMD $tmpname PDF:$tmpfname";
 			exec ($cmd);
 			file_put_contents("/tmp/log.txt", "\n$cmd\n");