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   1 # pecl/http v2
   2
   3 ## About:
   4
   5 Extended HTTP support. Again.
   6
   7 * Introduces the http namespace.
   8 * PHP stream based message bodies.
   9 * Encapsulated env request/response.
  10 * Versatile error handling.
  11 * Modular client support.
  12
  13 ## Installation:
  14
  15 This extension is hosted at [PECL](http://pecl.php.net) and can be installed with [PEAR](http://pear.php.net)'s pecl command:
  16
  17     # pecl install pecl_http
  18
  19 ## Dependencies:
  20
  21 This extension unconditionally depends on the pre-loaded presence of the following PHP extensions:
  22
  23 * raphf
  24 * propro
  25 * spl
  26
  27
  28 If configured ```--with-http-shared-deps``` (default) it requires on the pre-loaded presence of the following extensions, as long as they where available at build time:
  29
  30 * hash
  31 * iconv
  32 * json
  33
  34 ## Conflicts:
  35
  36 pecl/http-v2 conflicts with thw following extensions:
  37
  38 * http-v1
  39 * event
  40
  41 ## INI Directives:
  42
  43 * http.etag.mode = "crc32b"
  44   Default hash method for dynamic response payloads to generate an ETag.
  45
  46 ## Stream Filters:
  47
  48 The http extension registers the ```http.*``` namespace for its stream filters. Provided stream filters are:
  49
  50 * http.chunked_decode
  51   Decode a stream encoded with chunked transfer encoding.
  52 * http.chunked_encode
  53   Encode a stream with chunked transfer encoding.
  54 * http.inflate
  55   Decode a stream encoded with deflate/zlib/gzip encoding.
  56 * http.deflate
  57   Encode a stream with deflate/zlib/gzip encoding.