Does getimagesize use an extra HTTP request or can it find out the size remotely?
NOTE: The image is external
+3
A:
It can fetch it remotely or locally:
This parameter [filename] specifies the file you wish to retrieve information about. It can reference a local file or (configuration permitting) a remote file using one of the supported streams.
From the manual.
James Skidmore
2009-08-12 14:10:42
But would it be like using file_get_contents with the image?
Ben Shelock
2009-08-12 14:13:17
@Ben, check out my answer; it's answering your question, not just throwing the manual back at you.
jvenema
2009-08-12 14:16:36
+2
A:
There will always be at least one HTTP request; otherwise how will it know what you're looking for?
If you're asking whether or not it'll download the file - yes, it will. There's no HTTP header that specifies image dimensions, so it doesn't know until the file is downloaded.
jvenema
2009-08-12 14:12:53
Seriously? His question explicitly states "remotely". He's not looking for a local file request here.
jvenema
2009-08-12 14:15:12