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<html>
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<header>
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</header>
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<body>
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<?php
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	// Code written in a night by Roeland Kindt for SEMS portal retrieval

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	// PVoutput portion copied from older Goodwe2PVoutput script, thanks Antonboonstra!

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	// Below portion is for PVOUTput site

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	// Retrieve API key from PVOutput, you can create it on http://pvoutput.org/account.jsp under API settings

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	$keyPVO = "";

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	// Fill in your System ID, you can retrieve it from http://pvoutput.org/account.jsp (at the bottom)

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	$sidPVO = "";

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	// // SEMS portal portion

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	// You can retriev powerstation id from URL if you visit website, or run the script once, it will provide the ID to you.

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	$powerstation_id="3eac9f1a-bf1b-45ab-9e07-404c0cf8c083"; // not mandatory first run 

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	// Login SEMS portal website

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	$email="";

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	// Password SEMS portal website.

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	$password="";

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	//enable+/disable debug/test mode

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	$test=true; // if true shows pvoutput url but does not submit it, set to false if working.

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	$debug=false; // prints var_dump of vars, set to true to var_dump

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	// below code does not need modifications.

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	$vars = "{\"account\":\"$email\",\"pwd\":\"$password\"}";

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	//logic retrieved from original script by antonboostra

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	echo "<pre>\n";

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	// determine if it is night or day, to prevent retrieval of data (reduce API calls)

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	$day = date_sunrise(time(), SUNFUNCS_RET_TIMESTAMP, 52, 5.5);

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	$night = date_sunset(time(), SUNFUNCS_RET_TIMESTAMP, 52, 5.5);

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	$now = time();

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	if($now < ($day-600) || $now > ($night+600)) // 600 seconds (=10 minutes) margin

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	{

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	  echo "It is before dusk (".date("H:i",$day)." hour) or after sunset (".date("H:i",$night)." hour) \n";

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	  if(!$test) exit(); // exit so we don't run the rest of the code

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	}

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	//basic setup for logging into SEMS portal

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	$ch = curl_init();

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	curl_setopt($ch, CURLOPT_URL,"https://globalapi.sems.com.cn/api/v1/Common/CrossLogin");

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	curl_setopt($ch, CURLOPT_POST, 1);

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	curl_setopt($ch, CURLOPT_POSTFIELDS,$vars);  //Post Fields

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	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

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	$headers = [

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		'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',

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		'Accept-Encoding: gzip, deflate',

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		'Accept: */*',

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		'Connect: Keep-alive',

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		'Content-Type: application/json',

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		'Host: globalapi.sems.com.cn',

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		'Token: {"version":"v2.1.0","client":"ios","language":"en"}',

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		'User-Agent:  PVMaster/2.1.0 (iPhone; iOS 12.0; Scale/2.00)',

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	];

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	curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

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	$server_output = curl_exec ($ch);

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    if($server_output==false){

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		echo curl_error($ch);

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        exit();

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	}

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	//retrieved basic login details

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	$server_output = json_decode($server_output, true);

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		if($debug) echo var_dump($server_output);

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		$uid="";

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		$timestamp="";

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		$token="";

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		$retrieval=false;

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	if($server_output["msg"]=="success"){

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		echo "<br/>retrieval ok <br/>";

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		$uid=$server_output["data"]["uid"];

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		$timestamp=$server_output["data"]["timestamp"];

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		$token=$server_output["data"]["token"];

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		$retrieval=true;

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	}else{

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		echo "<br/>Basic SEMS portal login failed. Enable debug mode <br/>";

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		curl_close ($ch);

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		exit();

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	}

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	if($retrieval && trim($powerstation_id)==""){

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		$vars="{\"page_size\":\"5\",\"orderby\":\"\",\"powerstation_status\":\"\",\"key\":\"\",\"page_index\":\"1\",\"powerstation_id\":\"\",\"powerstation_type\":\"\"}";

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		$headers = [

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		'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',

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		'Accept-Encoding: gzip, deflate',

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		'Accept: */*',

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		'Connect: Keep-alive',

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		'Content-Type: application/json',

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		'Host: globalapi.sems.com.cn',

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		'Token: {"version":"v2.1.0","client":"ios","language":"en","timestamp":'.$timestamp.',"uid":"'.$uid.'","token":"'.$token.'"}',

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		'User-Agent:  PVMaster/2.1.0 (iPhone; iOS 12.0; Scale/2.00)',

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		];

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		curl_setopt($ch, CURLOPT_URL,"https://euapi.sems.com.cn/api/PowerStationMonitor/QueryPowerStationMonitorForApp");

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		curl_setopt($ch, CURLOPT_POST, 1);

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		curl_setopt($ch, CURLOPT_POSTFIELDS,$vars);  //Post Fields

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		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

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		curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

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		$server_output2 = curl_exec ($ch);

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		$server_output2 = json_decode($server_output2, true);

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		if($server_output2["msg"]=="success"){

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			if($debug) var_dump($server_output2);

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			echo "<br/>retrieval powerstation ok <br/>";

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			$powerstation_id=$server_output2["data"][0]["powerstation_id"];

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			echo "retrieved ".$powerstation_id."<br/>";

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		}

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	}else{

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		echo "Powerstation id is provided: ".$powerstation_id."<br/>";

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	}

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$retrieval3=false;

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if($retrieval&& !trim($powerstation_id)==""){

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	echo "retrieval 3 ok <br/>";

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	$vars="{\"powerStationId\":\"$powerstation_id\"}";

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	$headers = [

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    'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',

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    'Accept-Encoding: gzip, deflate',

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    'Accept: */*',

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    'Connect: Keep-alive',

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    'Content-Type: application/json',

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    'Host: globalapi.sems.com.cn',

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	'Token: {"version":"v2.1.0","client":"ios","language":"en","timestamp":'.$timestamp.',"uid":"'.$uid.'","token":"'.$token.'"}',

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    'User-Agent:  PVMaster/2.1.0 (iPhone; iOS 12.0; Scale/2.00)',

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	];

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	curl_setopt($ch, CURLOPT_URL,"https://euapi.sems.com.cn/api/v1/PowerStation/GetMonitorDetailByPowerstationId");

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	curl_setopt($ch, CURLOPT_POST, 1);

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	curl_setopt($ch, CURLOPT_POSTFIELDS,$vars);  //Post Fields

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	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

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	curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

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	$server_output3 = curl_exec ($ch);

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	$server_output3 = json_decode($server_output3, true);

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	if($debug) var_dump($server_output3);

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	$retrieval3=true;

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	$pac=$server_output3["data"]["kpi"]["pac"];

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	$powerpki=$server_output3["data"]["kpi"]["power"];

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	$temp=$server_output3["data"]["inverter"][0]["tempperature"];

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	$vpv1=$server_output3["data"]["inverter"][0]["d"]["vpv1"];

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	$vpv2=$server_output3["data"]["inverter"][0]["d"]["vpv2"];

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	$power = intval($pac);

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	$energy_cum = round(floatval($powerpki)*1000);

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	$vdc = round(floatval($vpv1),1); // v6 = Voltage DC van MPP1

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	$temperature = round(floatval($temp),1);

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	echo "<h1>Energy = $energy_cum Wh - Power = $power W - DC voltage 1 = $vdc, DC voltage 2 = $vpv2 - Temperature = $temperature degr.C\n </h1>";

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}else{

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	echo "<br/>Advanced SEMS portal data retrieval failed. Enable debug mode <br/>";

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	curl_close ($ch);

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	exit();

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}

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curl_close ($ch);

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if($retrieval && $retrieval3){

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	// Combine the RUL to call PVoutpout and submit data Stel 

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	$url = 'http://pvoutput.org/service/r2/addstatus.jsp?key='.$keyPVO.'&sid='.$sidPVO.'&d='.date("Ymd").'&t='.date("H:i").'&v1='.$energy_cum.'&v2='.$power.'&v5='.$temperature.'&v6='.$vdc.'&c1=0';

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	// if $test is true, only show url otherwise submit 

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	if($test){

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		echo "URL = $url \n";

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	}else{

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		$responds = file_get_contents($url);

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		echo "Responds PVOutput was: $responds \n";

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		if($responds == "OK 200: Added Status")

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		{

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		  echo "The values were succesfully retrieved and submitted to PVOutput \n";

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		}

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		else

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		{

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		  echo "Issue submitting to PVOutput, let's try again...<br>\n";

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		  sleep(4); // wacht 4 seconden

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		  $responds = file_get_contents($url);

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		  if($responds == "OK 200: Added Status")

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		  {

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			echo "The values were succesfully retrieved and submitted to PVOutput \n";

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		  }

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		  else

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		  {

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			echo "PVOutput submit failed for a second time, please verify if settings are correct.\n";

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			echo "Responds PVOutput was: $responds \n";

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		  }

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		}

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	  }

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}

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echo '</pre>';

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?>

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</body>

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