<?php // UV_js.php - Version: 2020-11-24 - Copyright Emery Wooten MRE Software // Uses the WeatherFlow API - see: https://weatherflow.github.io/Tempest/api/ // This returns a Javascript document.write() statement with the requested solar value. // Example usage in html page: <script type="text/javascript" src="UV_js.php?val=lum"></script> // Supported values = uv, lum, rad, and time (UV index, Luminance, Irradiance, and timestamp) //----------- Set your personal parameters here error_reporting(0); // this kills all error code reporting, comment it out when debugging date_default_timezone_set('America/Chicago'); // time zone to use. $token = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"; // API access token $stationID = "xxxxx"; // default station ID to use $Lat = 30.518259; // Set your latitude. Use positive decimal degrees for your north latitude. $Lon = -87.817122; // Set your longitude. Use negative decimal degrees for your west longitude. $use_cache = true; // Setting to true will greatly reduce accesses to the api. Highly recommended! $ca_time = 2; // minutes to cache solar queries during daylight hours $ca_night = 20; // minutes to cache solar queries at night $cache_folder="tmp"; // this folder needs to have write permissions on your server //----------- End of personal parmeters //----------- Start main code if(isset($_GET['station'])) $stationID=$_GET['station']; // if station ID is passed use it else the default will be used // if(isset($_GET['val'])){ $val=$_GET['val']; // if val is passed use it }else{ $val="uv"; // Set your default here } //----------- $dt = time(); // get current time $sun_info = date_sun_info($dt, $Lat, $Lon); // get the current sun info for this day and location $dawn = $sun_info['nautical_twilight_begin']; // set dawn at nautical twilight begins $dusk = $sun_info['nautical_twilight_end']; // set dusk at nautical twilight ends if($dt <= $dawn || $dt >= $dusk) $ca_time = $ca_night; // set a longer cache time at night - no need to fetch often after dark. // $json_string = get_json_uv($stationID, $token, $ca_time); if($json_string){ $parsed_json = json_decode($json_string); if($parsed_json->{'status'}->{'status_message'} == 'SUCCESS'){ switch ($val) { case "uv": $string = $parsed_json->{'obs'}[0]->{'uv'}; // $string=12; // for testing if($string != 0){ if($string < 2.5) $string .= '  <span style="font-size:10px;color:#666666;background-color:#00EE00"> Low </span>'; else if($string < 5.5) $string .= '  <span style="font-size:10px;color:#666666;background-color:#EEEE00"> Mod </span>'; else if($string < 7.5) $string .= '  <span style="font-size:10px;color:#666666;background-color:#EE8800"> High </span>'; else if($string < 10.5) $string .= '  <span style=font-size:10px;"color:#FFFF00;background-color:#CC0000"> VHigh </span>'; else $string .= $string . '  <span style="font-size:10px;color:#FFDD99;background-color:#990099"> Xtreme </span>'; } break; case "lum": $string = $parsed_json->{'obs'}[0]->{'brightness'}; if($string > 9999) $string = number_format($string); break; case "rad": $string = $parsed_json->{'obs'}[0]->{'solar_radiation'}; break; case "time": if($ca_time == $ca_night) $string = "Nighttime @ ".date("g:i:s A", $parsed_json->{'obs'}[0]->{'timestamp'}); else $string = date("m/d/y @ g:i:s A", $parsed_json->{'obs'}[0]->{'timestamp'}); break; } } else $string = "NA"; } // print "document.write('".$string."');"; // output the string as a js document.write() // // //--------------------------- function get_json_uv($stationID, $token, $cache){ // This function builds the url and returns the parsed json string. $url="https://swd.weatherflow.com/swd/rest/observations/station/".$stationID."?token=".$token; // this is the standard url to fetch observations //--- $json_string = get_cache($url, $stationID, $cache); // update observations for $cache minutes if($json_string){ return $json_string; // if here with no errors return the raw json string }else{ return false; // if it failed to read anything return false } } //------------ function get_cache($url, $stationID, $cache_valid) { // This function returns the page referenced in the $url as a string and optionally caches a copy // If the cached copy is too old it reads from the web else it uses the cached copy to reduce API usage. // $cache_valid is the number of minutes to use cached copy global $use_cache,$cache_folder; if($use_cache) { $cache_filename=$cache_folder."/".md5($url)."_".$stationID.".uvi"; if(file_exists($cache_filename)) { $t=filemtime($cache_filename); $cache_create=((!$t)||($t<strtotime("now")-60*$cache_valid)); } else $cache_create=true; // if($cache_create) { //cache not valid - create it again $simple=SfetchUrl($url); if($simple) { //only create cache if web read was success $f=fopen($cache_filename,"w"); fwrite($f,$simple); fclose($f); } } else $simple=file_get_contents($cache_filename); } else{ $simple=SfetchUrl($url); } return $simple; } //----------- //----------- function SfetchUrl($URL){ global $http_code; $ch = curl_init(); // // if($_SERVER["SERVER_ADDR"] != '127.0.0.1') curl_setopt($ch, CURLOPT_INTERFACE, $_SERVER["SERVER_ADDR"]); /* On shared hosting, even if you have paid for a dedicated IP address, cURL will still use the main server IP as its default. This means if you are accessing a host which is sensitive to repeated and high traffic you stand more chance of having the IP blocked or throttled. To make cURL use the IP address you paid for and make your accesses unique from the thousands of others on a shared host, the "CURLOPT_INTERFACE" can be used. This line will instruct cURL to use your dedicated IP. To make that happen, remove the "//" at the beginning of this line.*/ // Appear like a browser curl_setopt($ch, CURLOPT_HTTPHEADER, array("Accept: text/html, application/xhtml+xml, image/jxr, */*", "Accept-Encoding: gzip, deflate", "Accept-Language: en-US", "Connection: Keep-Alive", "User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; AS; rv:11.0) like Gecko")); $cookie_file = "curl_cookies.txt"; // accept cookies curl_setopt($ch, CURLOPT_COOKIESESSION, true); curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file); curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file); curl_setopt($ch, CURLOPT_REFERER, 'http://fairhopeweather.com'); curl_setopt($ch, CURLOPT_AUTOREFERER, true); // End of browser spoof curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_ACCEPT_ENCODING, true); curl_setopt($ch, CURLOPT_TIMEOUT, 8); curl_setopt($ch, CURLOPT_URL, $URL); // $contents = curl_exec($ch); $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); // echo $URL.",".$http_code."<br>"; // for debugging purposes if(file_exists($cookie_file)) unlink($cookie_file); // remove any cookie file // if ($contents && $http_code == "200") return $contents; else return FALSE; } ?>

<?php // Weather Flow to PWS weather - Version: 2022-8-24 - Copyright Emery Wooten MRE Software // Reads the WeatherFlow API - see: https://weatherflow.github.io/Tempest/api/ // Writes to the PWS weather API as a weather station submission. // Run this as a cron Job with 10 minute intervals // // error_reporting(0); // this kills all error code reporting, comment it out when debugging date_default_timezone_set('UTC'); // must use UTC time to send data to PWS properly // //----------- Set your personal parameters here $email = "you@youremail.com"; // email address for reporting failures from cron job $wf_token = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; // My Weatherflow API access token $wf_station_id = "xxxxx"; // default Tempest station ID to use $pws_ID = "xxxxxxx"; // PWS Weather Station ID to send to $pws_APIKEY = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; // PWS Weather station password (API key) $use_cache = true; // Setting to true will greatly reduce accesses to the api. Highly recommended! $ca_time = 2; // minutes to cache queries $cache_folder= __DIR__ . '/tmp'; // this folder needs to have write permissions on your server //----------- End of personal parmeters //----------- Start of main code ---------------------------------------------------------------------------------- $json_string = get_json_obs($wf_station_id, $wf_token, $ca_time); // get the json from the WeatherFlow API if($json_string){ $parsed_json = json_decode($json_string); if($parsed_json->{'status'}->{'status_message'} == 'SUCCESS'){ $pws_url = "https://pwsupdate.pwsweather.com/api/v1/submitwx?ID=${pws_ID}&PASSWORD=${pws_APIKEY}"; // $pws_url .= "&dateutc=" . date("Y-m-d+H:i:s", $parsed_json->{'obs'}[0]->{'timestamp'}); // Send actual timestamp from WFlow API $pws_url .= "&dateutc=now"; // Send "now" as the timestamp. This results in smoother graphs on PWS. Comment out either this or the line above. $pws_url .= "&winddir=" . $parsed_json->{'obs'}[0]->{'wind_direction'}; // integer degrees $pws_url .= "&windspeedmph=" . round($parsed_json->{'obs'}[0]->{'wind_avg'} * 2.236936, 2); // mps - convert to mph $pws_url .= "&windgustmph=" . round($parsed_json->{'obs'}[0]->{'wind_gust'} * 2.236936, 2); // mps - convert to mph $pws_url .= "&tempf=" . (($parsed_json->{'obs'}[0]->{'air_temperature'} * 9 / 5) + 32); // °C - convert to °F $pws_url .= "&rainin=" . round($parsed_json->{'obs'}[0]->{'precip_accum_last_1hr'} / 25.4, 3); // mm - convert to inches $pws_url .= "&dailyrainin=" . round($parsed_json->{'obs'}[0]->{'precip_accum_local_day'} / 25.4, 3); // mm - convert to inches $pws_url .= "&baromin=" . round($parsed_json->{'obs'}[0]->{'barometric_pressure'} / 33.86388, 3); // mb - convert to in/Hg $pws_url .= "&dewptf=" . (($parsed_json->{'obs'}[0]->{'dew_point'} * 9 / 5) + 32); // °C - convert to °F $pws_url .= "&humidity=" . $parsed_json->{'obs'}[0]->{'relative_humidity'}; // integer percent $pws_url .= "&solarradiation=" . $parsed_json->{'obs'}[0]->{'solar_radiation'}; // in W/m² $pws_url .= "&uv=" . $parsed_json->{'obs'}[0]->{'uv'}; // UV index // $pws_url .= "&softwaretype=MRE_WF2PWS&action=updateraw"; $json2 = file_get_contents($pws_url); $parsed_json2 = json_decode($json2); if(!$parsed_json2->{'success'}){ // check for successful upload. email_me("Failed to send PWSweather data. Returned json= " . $json2); // let me know if it is failing sleep(30); $parsed_json2 = json_decode(file_get_contents($pws_url)); // if it failed to upload wait 30 seconds and try again } else{ echo "SUCCESS!"; // email_me("SUCCESS! url= " . $pws_url); // for testing that the cron is running } // print_r($parsed_json2); // echo the result for debugging // echo "<br> The url sent was: " . $pws_url; // echo the url used to send the data for debugging } else email_me("Failed to read from the WeatherFlow API"); } //----------- End of main code ------------------------------------------------------------------------------------ function email_me($message){ global $email; $headers = "From: " . $email . "\r\n"; $subject = "WF2PWS cron job."; mail($email, $subject, $message, $headers) ; } //----------- function get_json_obs($wf_station_id, $wf_token, $cache){ // This function builds the url and returns the raw json string. $url="https://swd.weatherflow.com/swd/rest/observations/station/".$wf_station_id."?token=".$wf_token; // this is the standard url to fetch observations //--- $json_string = get_cache($url, $wf_station_id, $cache); // update observations for $cache minutes if($json_string) return $json_string; // if here with no errors return the raw json string else return false; // if it failed to read anything return false } //------------ function get_cache($url, $wf_station_id, $cache_valid) { // This function returns the page referenced in the $url as a string and optionally caches a copy // If the cached copy is too old it reads from the web else it uses the cached copy to reduce API usage. // $cache_valid is the number of minutes to use cached copy global $use_cache,$cache_folder; if($use_cache) { $cache_filename=$cache_folder."/".md5($url)."_".$wf_station_id.".uvi"; if(file_exists($cache_filename)) { $t=filemtime($cache_filename); $cache_create=((!$t)||($t<strtotime("now")-60*$cache_valid)); } else $cache_create=true; // if($cache_create) { //cache not valid - create it again $simple=file_get_contents($url); if($simple) { //only create cache if web read was success $f=fopen($cache_filename,"w"); fwrite($f,$simple); fclose($f); } } else $simple=file_get_contents($cache_filename); } else{ $simple=file_get_contents($url); } return $simple; } ?>