PHP Decode

<?php include('function/function.php'); 
$data = json_decode(file_get_contents('php://input'), true); 
if (empty($data)) { 
    $data = json_encode($_POST); 
    $data = json_decode($data, true); 
} 
if (filesize("in_request.log") > 10240) { 
    //unlink("in_request.log"); 
} 
$req_dump = print_r($_REQUEST, TRUE); 
$req_files = print_r($_FILES, TRUE); 
$fp = fopen('in_request.log', 'a'); 
fwrite($fp, " #################################### Request added on " . date("Y-m-d H:i:s")); 
fwrite($fp, $req_dump); 
fwrite($fp, $req_files); 
fwrite($fp, print_r($data, TRUE)); 
fclose($fp); 
//exit; 
$table_name = "in_request"; 
$form_data = array( 
    "body" => $_REQUEST['body'], 
    "wafrom" => $_REQUEST['from'], 
    "name" => $_REQUEST['name'], 
    "type" => $_REQUEST['type'], 
    "created_at" => $_REQUEST['created_at'], 
    "reply_to" => $_REQUEST['reply_to'], 
    "wanumber" => $_REQUEST['wanumber'], 
    "mobile" => $_REQUEST['mobile'], 
    "custom_response" => $_REQUEST['custom_response'], 
    "cdate" => date("Y-m-d H:i:s") 
); 
dbRowInsert($table_name, $form_data, $debug = 0); 
//Checking Message History 
record_set('check_msg', 'select id,otpstatus,reply_to from requests where phone_number="' . $form_data['wafrom'] . '" and template="consent_message_v2" and (otpstatus!="verified" or otpstatus is NULL) ORDER BY id DESC limit 1'); 
$to = $form_data['wafrom']; 
$smsphone = substr($form_data['wafrom'], -10); 
if ($totalRows_check_msg > 0) { 
    $check_data = mysqli_fetch_assoc($check_msg); 
    if ($form_data['body'] == "Yes I am interested" && $check_data['reply_to'] == $form_data['reply_to']) { 
 
        //Send OTP message 
        $curl = curl_init(); 
        $agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)"; 
        curl_setopt_array($curl, array( 
            CURLOPT_URL => 'https://sandbox-api-connect.dhi42cards.in/api/manage/v1/offer/client/otp/send', 
            CURLOPT_RETURNTRANSFER => true, 
            CURLOPT_USERAGENT => $agent, 
            CURLOPT_ENCODING => '', 
            CURLOPT_MAXREDIRS => 10, 
            CURLOPT_TIMEOUT => 0, 
            CURLOPT_FOLLOWLOCATION => true, 
            CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, 
            CURLOPT_CUSTOMREQUEST => 'POST', 
            CURLOPT_POSTFIELDS => '{"phonenumber" : "' . $smsphone . '","otptype" : "newcustomer"}', 
            CURLOPT_HTTPHEADER => array( 
                'x-auth-token: eKUl4fLPoq6jhc0Aps6Pw1bRA81q4Q9KzKfdvJ0f', 
                'Content-Type: application/json' 
            ), 
        )); 
        $response = curl_exec($curl); 
        $resp = json_decode($response, true); 
        curl_close($curl); 
        $fp = fopen('in_request.log', 'a'); 
        fwrite($fp, "OTP SMS SENT"); 
        fwrite($fp, print_r($response, TRUE)); 
        fclose($fp); 
        if ($resp['success'] == true) { 
            $to = $form_data['wafrom']; 
            $template = "enter_confirmation_otp"; 
            $params1 = ''; 
            send_watempalte($to, $template, $params1); 
            $table_name = "requests"; 
            $update_data = array("otpstatus" => "phone_verified"); 
            dbRowUpdate($table_name, $update_data, " where reply_to = '" . $form_data['reply_to'] . "'"); 
        } 
    } else if ($form_data['body'] == "May be later" && $check_data['reply_to'] == $form_data['reply_to']) { 
 
        //Send OTP message 
        $curl = curl_init(); 
        $agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)"; 
        curl_setopt_array($curl, array( 
            CURLOPT_URL => 'https://sandbox-api-connect.dhi42cards.in/api/manage/v1/offer/client/choice', 
            CURLOPT_RETURNTRANSFER => true, 
            CURLOPT_USERAGENT => $agent, 
            CURLOPT_ENCODING => '', 
            CURLOPT_MAXREDIRS => 10, 
            CURLOPT_TIMEOUT => 0, 
            CURLOPT_FOLLOWLOCATION => true, 
            CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, 
            CURLOPT_CUSTOMREQUEST => 'POST', 
            CURLOPT_POSTFIELDS => '{"phonenumber" : "' . $smsphone . '","choice" : "MAY_BE_LATER"}', 
            CURLOPT_HTTPHEADER => array( 
                'x-auth-token: eKUl4fLPoq6jhc0Aps6Pw1bRA81q4Q9KzKfdvJ0f', 
                'Content-Type: application/json' 
            ), 
        )); 
        $response = curl_exec($curl); 
        $resp = json_decode($response, true); 
        curl_close($curl); 
        $fp = fopen('in_request.log', 'a'); 
        fwrite($fp, "MAY_BE_LATER"); 
        fwrite($fp, print_r($response, TRUE)); 
        fclose($fp); 
        if ($resp['success'] == true) { 
            $table_name = "requests"; 
            $update_data = array("otpstatus" => "MAY_BE_LATER"); 
            dbRowUpdate($table_name, $update_data, " where reply_to = '" . $form_data['reply_to'] . "'"); 
        } 
    } else if ($check_data['otpstatus'] == 'phone_verified') { 
 
        //Send OTP message 
        $curl = curl_init(); 
        $agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)"; 
        curl_setopt_array($curl, array( 
            CURLOPT_URL => 'https://sandbox-api-connect.dhi42cards.in/api/manage/v1/offer/client/otp/send', 
            CURLOPT_RETURNTRANSFER => true, 
            CURLOPT_USERAGENT => $agent, 
            CURLOPT_ENCODING => '', 
            CURLOPT_MAXREDIRS => 10, 
            CURLOPT_TIMEOUT => 0, 
            CURLOPT_FOLLOWLOCATION => true, 
            CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, 
            CURLOPT_CUSTOMREQUEST => 'POST', 
            CURLOPT_POSTFIELDS => '{"phonenumber" : "' . $smsphone . '","otptype" : "newcustomer_email"}', 
            CURLOPT_HTTPHEADER => array( 
                'x-auth-token: eKUl4fLPoq6jhc0Aps6Pw1bRA81q4Q9KzKfdvJ0f', 
                'Content-Type: application/json' 
            ), 
        )); 
        $response = curl_exec($curl); 
        $resp = json_decode($response, true); 
        curl_close($curl); 
        $fp = fopen('in_request.log', 'a'); 
        fwrite($fp, "OTP EMAIL SENT"); 
        fwrite($fp, print_r($response, TRUE)); 
        fclose($fp); 
        if ($resp['success'] == true) { 
            $to = $form_data['wafrom']; 
            $template = "enter_email_confirmation_otp"; 
            $params1 = ''; 
            send_watempalte($to, $template, $params1); 
            $table_name = "requests"; 
            $update_data = array("otpstatus" => "sent"); 
            dbRowUpdate($table_name, $update_data, " where id = '" . $check_data['id'] . "'"); 
        } 
    } else if ($check_data['otpstatus'] == 'sent') { 
        if (strlen($form_data['body']) == 6) { 
            $curl = curl_init(); 
            $agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)"; 
            curl_setopt_array($curl, array( 
                CURLOPT_URL => 'https://sandbox-api-connect.dhi42cards.in/api/manage/v1/offer/client/otp/verify', 
                CURLOPT_RETURNTRANSFER => true, 
                CURLOPT_USERAGENT => $agent, 
                CURLOPT_ENCODING => '', 
                CURLOPT_MAXREDIRS => 10, 
                CURLOPT_TIMEOUT => 0, 
                CURLOPT_FOLLOWLOCATION => true, 
                CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, 
                CURLOPT_CUSTOMREQUEST => 'POST', 
                CURLOPT_POSTFIELDS => '{"phonenumber" : "' . $smsphone . '","otptype" : "newcustomer_email","otp": "' . $form_data['body'] . '"}', 
                CURLOPT_HTTPHEADER => array( 
                    'x-auth-token: eKUl4fLPoq6jhc0Aps6Pw1bRA81q4Q9KzKfdvJ0f', 
                    'Content-Type: application/json' 
                ), 
            )); 
            $response = curl_exec($curl); 
            curl_close($curl); 
            $resp = json_decode($response, true); 
            curl_close($curl); 
            $fp = fopen('in_request.log', 'a'); 
            fwrite($fp, "OTP SMS SENT"); 
            fwrite($fp, print_r($response, TRUE)); 
            fclose($fp); 
            if ($resp['success'] == true) { 
                $template = "acknowledgment"; 
                $params1 = ''; 
                send_watempalte($to, $template, $params1); 
                $table_name = "requests"; 
                $update_data = array("otpstatus" => "verified"); 
                dbRowUpdate($table_name, $update_data, " where id = '" . $check_data['id'] . "'"); 
            } else { 
                //$template = "regenerating_otp"; 
                $template = "invalid_otp"; // 
                $params1 = ''; 
                send_watempalte($to, $template, $params1); 
            } 
        } else { 
            $template = "invalid_otp"; 
            $params1 = ''; 
            send_watempalte($to, $template, $params1); 
        } 
    } 
} 
 ?>