[wp-trac] [WordPress Trac] #23472: Retrieve the first x bytes of a remote file

[WordPress Trac]

#23472: Retrieve the first x bytes of a remote file
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 Reporter:  dd32             |       Type:  enhancement
   Status:  new              |   Priority:  normal
Milestone:  Awaiting Review  |  Component:  HTTP
  Version:                   |   Severity:  normal
 Keywords:  has-patch        |
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 A commonly useful functionality in HTTP clients is to only request the
 first x bytes of a document, this can be useful for example, when you only
 need to fetch the first few KB of a image so as to determine it's
 dimensions from the initial metadata in the file.

 At present, we have no way to offer this through WP_HTTP, The attached
 patch is a first-scratch effort at adding it. No proper unit tests so far,
 just casual testing which confirms it working.

 Patch
 * Supports all 3 transports
 * Handles streaming-to-file as well
 * Doesn't include Headers in the byte count
 * Works with Redirects

 I'll add some Unit tests for this soon hopefully.

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Ticket URL: <http://core.trac.wordpress.org/ticket/23472>
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