public static function set($title = NULL, $data = NULL)
{
static $last = NULL;
// If no title is set, use the code location which executed the set() method
if ($title === NULL) {
$title = Amslib_Debug::getCodeLocation(3);
}
$time = microtime(true);
// If is first benchmark point, set the start time to this time
if (self::$start === NULL) {
self::$start = $time;
}
// Always set the finish time to the last benchmark point
self::$finish = $time;
// Set the total to the subtraction of the last and first benchmark points
self::$total = self::$finish - self::$start;
// calculate the diff only when there was a previous benchmark point set
$diff = $last === NULL ? 0 : $time - $last["time"];
// Set the basic data
$e = array("title" => $title, "time" => $time, "diff" => $diff);
// Save the data, store the last entry, add it to the list and return it to the calling method
if ($data !== NULL) {
$e["data"] = $data;
}
// Retain a copy of the previous execution so you can do the differential easier
$last = $e;
switch (self::$mode) {
case "record":
self::$entries[] = $e;
break;
case "log":
// FIXME: refactor against log()
Amslib_Debug::log("title[{$title}], time[{$time}], diff[{$diff}]");
break;
}
return $e;
}
/**
* method: outputJSON
*
* todo: write documentation
*
* note: I hate this function name, I think we should change it to something more elegant
*/
public static function outputJSON($array, $block = true)
{
header("Cache-Control: no-cache");
header("Content-Type: application/json");
// NOTE: perhaps it would be nice to limit this CORS header in the future
if (isset($_SERVER["HTTP_ORIGIN"])) {
$origin = $_SERVER["HTTP_ORIGIN"];
header("Access-Control-Allow-Origin: {$origin}");
header("Access-Control-Allow-Credentials: true");
}
$json = json_encode($array);
// if there is a callback specified, wrap up the json into a jsonp format
$jsonp = Amslib_GET::get("callback");
if ($jsonp) {
$json = "{$jsonp}({$json})";
}
Amslib_Benchmark::log();
if ($block === true) {
die($json);
}
if ($block === false) {
print $json;
}
return $json;
}
