Hello World

curl -G --data-urlencode "a=1 1 1" --data-urlencode "b=2 2 2"  https://servername/test.php

man curl

       -G, --get
              When  used,  this  option  will make all data specified with -d,
              --data, --data-binary or --data-urlencode to be used in an  HTTP
              GET  request instead of the POST request that otherwise would be
              used. The data will be appended to the URL with a '?' separator.

              If  used  in  combination with -I, the POST data will instead be
              appended to the URL with a HEAD request.

              If this option is used several times,  only  the  first  one  is
              used.  This is because undoing a GET doesn't make sense, but you
              should then instead enforce the alternative method you prefer.

       --data-urlencode <data>
              (HTTP) This posts data, similar to the other --data options with
              the exception that this performs URL-encoding. (Added in 7.18.0)

              To  be  CGI-compliant,  the <data> part should begin with a name
              followed by a separator and a content specification. The  <data>
              part can be passed to curl using one of the following syntaxes:

              content
                     This  will make curl URL-encode the content and pass that
                     on. Just be careful so that the content  doesn't  contain
                     any  =  or  @  symbols, as that will then make the syntax
                     match one of the other cases below!

              =content
                     This will make curl URL-encode the content and pass  that
                     on. The preceding = symbol is not included in the data.

              name=content
                     This  will make curl URL-encode the content part and pass
                     that on. Note that the name part is expected to  be  URL-
                     encoded already.

              @filename
                     This  will  make  curl  load  data  from  the  given file
                     (including any newlines), URL-encode that data  and  pass
                     it on in the POST.

              name@filename
                     This  will  make  curl  load  data  from  the  given file
                     (including any newlines), URL-encode that data  and  pass
                     it  on  in  the  POST.  The  name part gets an equal sign
                     appended, resulting in name=urlencoded-file-content. Note
                     that the name is expected to be URL-encoded already.