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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 * Modular client support.
  11
  12 ## Installation:
  13
  14 This extension is hosted at [PECL](http://pecl.php.net) and can be installed with [PEAR](http://pear.php.net)'s pecl command:
  15
  16     # pecl install pecl_http
  17
  18 ## Dependencies:
  19
  20 This extension unconditionally depends on the pre-loaded presence of the following PHP extensions:
  21
  22 * raphf
  23 * propro
  24 * spl
  25
  26
  27 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:
  28
  29 * hash
  30 * iconv
  31 * json
  32
  33 ## Conflicts:
  34
  35 pecl/http-v2 conflicts with thw following extensions:
  36
  37 * http-v1
  38 * event
  39
  40 ## INI Directives:
  41
  42 * http.etag.mode = "crc32b"
  43   Default hash method for dynamic response payloads to generate an ETag.
  44
  45 ## Stream Filters:
  46
  47 The http extension registers the ```http.*``` namespace for its stream filters. Provided stream filters are:
  48
  49 * http.chunked_decode
  50   Decode a stream encoded with chunked transfer encoding.
  51 * http.chunked_encode
  52   Encode a stream with chunked transfer encoding.
  53 * http.inflate
  54   Decode a stream encoded with deflate/zlib/gzip encoding.
  55 * http.deflate
  56   Encode a stream with deflate/zlib/gzip encoding.