xhprof-to-json

#!/usr/bin/env php
<?php

$file_contents = file_get_contents("php://stdin");
$data = unserialize($file_contents);

$results = [];

foreach ($data as $key => $values) {
  list($caller, $callee) = explode('==>', $key);
  $values["callee"] = $callee;
  $values["caller"] = $caller;
  $results[] = $values;
}

print json_encode($results, JSON_PRETTY_PRINT);