如何在单个语句中组合多个php函数？

Question

What am trying to do is to get the JPG file location from the below function.

Whenever I try to execute this it throws the error "file not found", is there a syntax problem? If so, what should be the syntax to integrate multiple functions like this be?

$handle = imagecreatefromjpeg($_SERVER['DOCUMENT_ROOT'].'/cts/'.$tempDir.'.jpg'); 

Answer 1

Try this:

$handle = imagecreatefromjpeg($_SERVER['HTTP_HOST'].'/cts/'.$tempDir.'.jpg'); 

Or this:

$handle = imagecreatefromjpeg('cts/'.$tempDir.'.jpg');