identifying class name

1) Add extra code "$targetDir = str_replace("\","\/",$targetDir);"
to upload.php at line 149
- there is an error in parsing JSON in response at file uploading
because of "\" character in response data named "filePath" value.

2) File : "obfuscator\encoders\encode.php" replace " (" with "("
because it cause an error in identifying class name.

3) File : "obfuscator\encoders\obfuscateVariables.php" - proper
complete <?php ?> tags.