Initial commit with barely functional code.
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216
index.php
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216
index.php
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<?php
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// Databrae (working name)
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// Proof of concept
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$autoloadOk = file_exists(__DIR__ . '/vendor/autoload.php');
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if ($autoloadOk) {
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require __DIR__ . '/vendor/autoload.php';
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}
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// Using Tecnick's barcode library to generate data matrix barcodes
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use Com\Tecnick\Barcode\Barcode;
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function safe($s) {
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return htmlspecialchars(trim($s ?? ''), ENT_QUOTES, 'UTF-8');
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}
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// Set up the form input
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$data1 = $_POST['data1'] ?? '';
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$data2 = $_POST['data2'] ?? '';
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$data3 = $_POST['data3'] ?? '';
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$data4 = $_POST['data4'] ?? '';
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$barcodeText = $_POST['barcode'] ?? '';
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$isPosted = ($_SERVER['REQUEST_METHOD'] === 'POST');
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// Declare some variables
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$svgBarcode = '';
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$errorMsg = '';
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// Generate the data matrix barcode and handle some common errors where I've already screwed up
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if ($isPosted) {
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if (!$autoloadOk) {
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$errorMsg = 'Composer autoload not found. Run <code>composer require tecnickcom/tc-lib-barcode</code> in this folder.';
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} elseif ($barcodeText === '') {
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$errorMsg = 'Please provide a Barcode value.';
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} else {
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try {
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$barcode = new Barcode();
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// Create the data matrix as an SVG
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$bobj = $barcode->getBarcodeObj(
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'DATAMATRIX',
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$barcodeText,
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-1, // width auto
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-1, // height auto
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'black',
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[0, 0, 0, 0]
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);
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$bobj->setBackgroundColor('white');
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$svgBarcode = $bobj->getSvgCode();
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} catch (Throwable $e) {
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$errorMsg = 'Barcode generation error: ' . safe($e->getMessage());
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}
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}
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}
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?>
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>Spine Label Generator</title>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<style>
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:root {
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--font: "Helvetica Neue", Arial, sans-serif;
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}
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body {
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font-family: var(--font);
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margin: 1.5rem;
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color: #222;
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line-height: 1.35;
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}
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form {
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display: grid;
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gap: .75rem;
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max-width: 520px;
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margin-bottom: 1.5rem;
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}
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label { font-weight: 600; }
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input[type="text"] {
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padding: .5rem .6rem;
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border: 1px solid #bbb;
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border-radius: 6px;
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font-size: 1rem;
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width: 100%;
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}
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.row { display: grid; gap: .35rem; }
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.actions { margin-top: .5rem; }
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button {
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padding: .6rem .9rem;
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border: 1px solid #444;
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background: #111;
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color: #fff;
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border-radius: 8px;
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cursor: pointer;
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font-weight: 600;
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}
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button:hover { filter: brightness(1.05); }
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.note {
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font-size: .9rem;
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color: #555;
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}
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.error {
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padding: .75rem 1rem;
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border: 1px solid #d33;
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background: #fee;
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color: #a00;
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border-radius: 8px;
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max-width: 520px;
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margin-bottom: 1rem;
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}
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/* ===== Label (exact print size) ===== */
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.preview-wrap {
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display: grid;
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gap: 1rem;
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}
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.label-card {
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width: 2.5cm; /* fixed physical width */
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height: 3.5cm; /* fixed physical height */
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box-sizing: border-box; /* include padding in the fixed size */
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border: 1px dashed #aaa;/* guide border (hidden on print) */
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padding: 0.2cm; /* compact padding to fit content */
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display: flex;
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flex-direction: column;
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justify-content: space-between; /* push barcode to bottom */
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background: #fff;
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}
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.label-text {
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display: grid;
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gap: 0.1cm; /* tight vertical spacing between Data 1–3 */
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text-align: center; /* center the three lines */
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margin: .2cm;
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line-height: 1.2;
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font-size: 0.35cm; /* ~8pt—adjust as needed */
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word-break: break-word;
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}
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.label-text-line { white-space: pre-wrap; }
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.barcode-block {
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display: flex;
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justify-content: center; /* center code horizontally */
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align-items: flex-end;
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margin-top: 0.05cm; /* tiny breathing room under Data 3 */
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}
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/* Keep the Data Matrix exactly 1.5 cm in height; width auto to keep it square */
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.barcode-block svg {
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display: block;
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height: .5cm; /* requested fixed height */
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width: auto;
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}
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@media print {
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form, .note, .error, h1 { display: none !important; }
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body { margin: 0; }
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.label-card { border: none; } /* remove guide border on print */
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/* Ensure the browser doesn't scale */
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@page { margin: 0; }
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}
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</style>
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</head>
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<body>
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<h1>Spine Label Generator</h1>
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<form method="post">
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<div class="row">
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<label for="data1">Data 1</label>
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<input type="text" id="data1" name="data1" value="<?= safe($data1) ?>" placeholder="e.g., QA76.73.P224">
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</div>
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<div class="row">
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<label for="data2">Data 2</label>
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<input type="text" id="data2" name="data2" value="<?= safe($data2) ?>" placeholder="e.g., 2025">
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</div>
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<div class="row">
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<label for="data3">Data 3</label>
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<input type="text" id="data3" name="data3" value="<?= safe($data3) ?>" placeholder="e.g., v.2">
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</div>
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<div class="row">
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<label for="data4">Data 4</label>
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<input type="text" id="data4" name="data4" value="<?= safe($_POST['data4'] ?? '') ?>" placeholder="e.g., Copy 1">
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</div>
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<div class="row">
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<label for="barcode">Barcode (alphanumeric)</label>
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<input type="text" id="barcode" name="barcode" value="<?= safe($barcodeText) ?>" placeholder="e.g., 1230004231819">
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</div>
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<div class="actions">
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<button type="submit">Build Label</button>
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</div>
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<p class="note">Tip: In the browser print dialog, set scale to <strong>100% / Actual size</strong>.</p>
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</form>
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<?php if ($errorMsg): ?>
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<div class="error"><?= $errorMsg ?></div>
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<?php endif; ?>
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<?php if ($isPosted && !$errorMsg): ?>
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<div class="preview-wrap">
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<div class="label-card">
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<div class="label-text">
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<div class="label-text-line"><?= nl2br(safe($data1)) ?></div>
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<div class="label-text-line"><?= nl2br(safe($data2)) ?></div>
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<div class="label-text-line"><?= nl2br(safe($data3)) ?></div>
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<div class="label-text-line"><?= nl2br(safe($_POST['data4'] ?? '')) ?></div>
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</div>
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<div class="barcode-block">
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<?= $svgBarcode /* Inline SVG keeps print quality high */ ?>
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</div>
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</div>
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</div>
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<?php endif; ?>
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</body>
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</html>
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