lib/format.php


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<?php

# do not include twice
if (function_exists("export_as_requested"))
  return;

include_once BASE . "/lib/http.php";

function export_as_requested($content) {
  if (isset($content["All"])) {
    $content["json"]=$content["All"];
    $content["tsv"]=$content["All"];
    unset($content["All"]);
  }
  if (isset($content["json"]) && isset($_GET["json"])) {
    header ("Content-type: application/json");
    print json_encode(
      $content["json"],
      JSON_UNESCAPED_SLASHES
    );
  } elseif (isset($content["tsv"]) && isset($_GET["tsv"])) {
    header ("Content-type: text/tab-separated-values");
    if (! isset($_GET["no-headers"]))
      print implode("\t",array_keys($content["tsv"][0])) . "\n";
    print implode(
      "",
      array_map(
        function($row){
          return implode("\t",$row) . "\n";
        },
        $content["tsv"]
      )
    );
  } else {
    throw_http_error(
      406,
      "Not Acceptable",
      implode(
        "<br>\n",
        array_merge(
          array(
            "Unknown output format.",
            "Accepted:"
          ),
          array_map(
            function($type){
              return "<a href=\"?" . $type . "\">" . $type . "</a>";
            },
            array_keys(
              $content
            )
          )
        )
      )
    );
  }
}