meta.php

<?php
require_once(dirname(__FILE__)."/core/core.php");

$start_script_timer = microtime_float();

if(!function_exists('elapsed'))
{
    function elapsed($start_time = null)
    {
        /***
         * Return the duration since the start time in
         * milliseconds.
         * If no start time is provided, it'll try to use the global
         * variable $start_script_timer
         *
         * @param float $start_time in unix epoch. See http://us1.php.net/microtime
         ***/

        if(!is_numeric($start_time))
        {
            global $start_script_timer;
            if(is_numeric($start_script_timer)) $start_time = $start_script_timer;
            else return false;
        }
        return 1000*(microtime_float() - (float)$start_time);
    }
                                 }

function returnAjax($data)
{
    /***
     * Return the data as a JSON object
     *
     * @param array $data
     *
     ***/
    if(!is_array($data)) $data=array($data);
    $data["execution_time"] = elapsed();
    header('Cache-Control: no-cache, must-revalidate');
    header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
    header('Content-type: application/json');
    $json = json_encode($data,JSON_FORCE_OBJECT);
    $replace_array = array("&quot;","&#34;");
    print str_replace($replace_array,"\\\"",$json);
    exit();
}

function getUserFileModTime() {
  return filemtime("js/c.min.js");
}

function doUploadImage() {
    if(empty($_FILES)) {
        return array("status"=>false,"error"=>"No files provided","human_error"=>"Please provide a file to upload");
    }
    $temp = $_FILES["file"]["tmp_name"];
    $savePath = dirname(__FILE__) . "/species_photos/";
    $file = $_FILES["file"]["name"];
    $extension = array_pop(explode(".",$file));
    $newFilePath = md5($file) . "." . $extension;
    $fileWritePath = $savePath . $newFilePath;
    return array("status"=>move_uploaded_file($temp,$fileWritePath),"original_file"=>$file,"wrote_file"=>$newFilePath,"full_path"=>$fileWritePath);
    
}


if(isset($_SERVER['QUERY_STRING'])) parse_str($_SERVER['QUERY_STRING'],$_REQUEST);
$do = isset($_REQUEST['do']) ? strtolower($_REQUEST['do']):null;

switch($do)
{
case "get_last_mod":
    returnAjax(array("last_mod"=>getUserFileModTime()));
    break;
case "upload_image":
    returnAjax(doUploadImage());
    break;
default:
    $default_answer = array("status"=>false, "error"=>"Invalid action", "human_error"=>"No valid action was supplied.");
    # doUploadImage()
    returnAjax($default_answer);
}


?>