ohctech_p8/generate_barcode.php

<?php
require 'bar_code_new/vendor/autoload.php';

use Picqer\Barcode\BarcodeGenerator;
use Picqer\Barcode\BarcodeGeneratorSVG;

$generator = new BarcodeGeneratorSVG();
include('includes/functions.php');

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
  $patient_id = $_POST['emp_id'];
  $text2 = $_POST['checkup_id'];

  $add_param_ids = getFieldFromTable('add_param_ids', 'checkup_form', 'checkup_id', $text2);

  error_log("additional param ids " . $add_param_ids);

  $add_param_names = "";

  $sql = "select   group_concat(distinct(parameter_name)) as parameter_name  from checkup_parameter a left join device_param_map b on a.checkup_parameter_id = b.checkup_parameter_id where a.checkup_parameter_id in ($add_param_ids)";
  error_log("query  " . $sql);

  $result = mysqli_query($conn, $sql);
  $row = mysqli_fetch_assoc($result);
  $add_param_names = $row['parameter_name'];



  error_log("add param names " . $add_param_names);

  $checkup_type_id = getFieldFromTable('checkup_type_id', 'checkup_form', 'checkup_id', $text2);
  $isLabCheckup = getFieldFromTable('type_state', 'checkup_type', 'checkup_type_id', $checkup_type_id);
  $checkup_name = getFieldFromTable('checkup_type_name', 'checkup_type', 'checkup_type_id', $checkup_type_id);

  $text3 = $_POST['checkup_section_id'];

  $second_id = implode(",", $text3);

  error_log("all section ids before " . print_r($text3, true));

  $values_array = explode(',', $second_id);
  $isPresent = false;
  if (in_array('add_section', $values_array)) {
    $isPresent = true;
    $values_array = array_diff($values_array, ['add_section']);
    $tests = implode(',', $values_array);
  } else {
    $isPresent = false;
    $tests = implode(',', $values_array);
  }

  $text3 = explode(",", $tests);

  $second_part = 0;

  if (is_array($text3)) {
    sort($text3);
    $second_part  = $text3[0];
  } else {
    $second_part = $text3[0];
  }

  $barcodeCount = $_POST['barcode_count'];

  error_log("all section ids " . print_r($text3, true) . " second part  " . $second_part);

  $second_names = getCommaSeperatedValuesForInClause("select section_name from  checkup_form_section", "section_id", $tests);
?>

  <style type="text/css">
    * {
      font-family: Arial, Helvetica, sans-serif !important;
    }
    .btn {
      background-color: #4CAF50;
      border-radius: 5%;
      border: none;
      color: white;
      padding: 15px 32px;
      text-align: center;
      text-decoration: none;
      display: inline-block;
      font-size: 16px;
      margin: 4px 2px;
      cursor: pointer;
    }

    @media print {
      #printPageButton {
        display: none;
      }
    }
  </style>
  <?php
  for ($i = 0; $i < $barcodeCount; $i++) { ?>
    <center>
      <div style="margin-bottom:5px;">
        <div>
          <strong style="font-size:12px"><?php echo getFieldFromTable('patient_name', 'patient_master', 'id', $patient_id) . " (" . getFieldFromTable('emp_code', 'patient_master', 'id', $patient_id) . ")"; ?>
            <span>
              <?php
              $dob = getTableFieldValue('patient_master', 'dob', 'id', $patient_id);
              $from = new DateTime($dob);
              $to = new DateTime('today');
              echo $from->diff($to)->y;
              ?> Y/ &nbsp;<?php echo getTableFieldValue('patient_master', 'gender', 'id', $patient_id) ?></span>
          </strong>
        </div>
        <div>
          <strong>
            <?php if ($isLabCheckup != 'Yes') { ?>

              <span style="font-size:8px;">
                <?php echo $checkup_name;
                if (!empty($add_param_ids)) echo "(" . $add_param_names . ")"; ?>
              </span>
            <?php } else { ?>
              <span style="font-size:8px;">
                <?php echo $second_names;
                if ($isPresent == true && !empty($second_names)) {
                  echo ",";
                } ?>
              </span>
              <span style="font-size:8px;">
                <?php if ($isPresent == true) {
                  echo "Additional/Other Tests ($add_param_names)";
                } ?>
              </span>
            <?php
            } ?>


          </strong>
        </div>
        <button align="center" id="printPageButton" class="btn btn-success" onClick="window.print();">Print</button>
      </div>
    </center>
    <center>
      <div style="margin:5px">
        <?php
        // $dataToEmbed = $text2 . "" . $second_part;
        // $uniqueNumber1 = uniqid();
        $uniqueNumber1 = $text2;
        $hexRepresentation1 = substr(dechex(crc32($uniqueNumber1)), 0, 5);

        $dataToEmbed = $hexRepresentation1;
        $barcode = $generator->getBarcode($dataToEmbed, $generator::TYPE_CODE_128, 1.7, 35);


        ?>
        <img src="data:image/svg+xml;base64,<?php echo base64_encode($barcode); ?>" alt="Barcode">
      </div>

      <div style="margin-top: 5px;">
        <span> <?= $dataToEmbed ?></span>
      </div>
    </center>
<?php
  }
}
?>