Generate PDF Invoice From HTML Template - PHP
PDF from HTML Template sample in PHP demonstrating ‘Generate PDF Invoice From HTML Template’
generate-invoice.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>PDF Invoice Generation Results</title>
</head>
<body>
<?php
// Get submitted form data
$apiKey = $_POST["apiKey"]; // The authentication key (API Key). Get your own by registering at https://app.pdf.co
// Prepare URL for HTML to PDF API call
$url = "https://api.pdf.co/v1/pdf/convert/from/html";
// Prepare requests params
$parameters = array();
$parameters["name"] = "result.pdf";
/*
Please follow below steps to create your own HTML Template and get "templateId".
1. Add new html template in app.pdf.co/templates/html
2. Copy paste your html template code into this new template. Sample HTML templates can be found at "https://github.com/bytescout/pdf-co-api-samples/tree/master/PDF%20from%20HTML%20template/TEMPLATES-SAMPLES"
3. Save this new template
4. Copy it’s ID to clipboard
5. Now set ID of the template into “templateId” parameter
*/
// HTML template using built-in template
// see https://app.pdf.co/templates/html/1/edit
$parameters["templateId"] = 1;
// Data to fill the template
$templateData = file_get_contents("./invoice_data.json");
$parameters["templateData"] = $templateData;
// Create Json payload
$data = json_encode($parameters);
// Create request
$curl = curl_init();
curl_setopt($curl, CURLOPT_HTTPHEADER, array("x-api-key: " . $apiKey, "Content-type: application/json"));
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
// Execute request
$result = curl_exec($curl);
if (curl_errno($curl) == 0)
{
$status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
if ($status_code == 200)
{
$json = json_decode($result, true);
if (!isset($json["error"]) || $json["error"] == false)
{
$resultFileUrl = $json["url"];
// Display link to the file with conversion results
echo "<div><h2>Conversion Result:</h2><a href='" . $resultFileUrl . "' target='_blank'>" . $resultFileUrl . "</a></div>";
}
else
{
// Display service reported error
echo "<p>Error: " . $json["message"] . "</p>";
}
}
else
{
// Display request error
echo "<p>Status code: " . $status_code . "</p>";
echo "<p>" . $result . "</p>";
}
}
else
{
// Display CURL error
echo "Error: " . curl_error($curl);
}
// Cleanup
curl_close($curl);
?>
</body>
</html>
invoice_data.json
{
"invoice_id": "1234567",
"invoice_date": "April 30, 2016",
"invoice_dateDue": "May 15, 2016",
"paid": false,
"issuer_name": "Acme Inc",
"issuer_company": "Acme International",
"issuer_address": "City, Street 3rd",
"issuer_email": "support@example.com",
"issuer_website": "http://example.com",
"client_name": "Food Delivery Inc.",
"client_company": "Food Delivery International",
"client_address": "New York, Some Street, 42",
"client_email": "client@example.com",
"items": [
{
"name": "Setting up new web-site",
"price": 250
},
{
"name": "Website Content Addition",
"price": 700
},
{
"name": "Database Setup",
"price": 200
},
{
"name": "Record Digitalization",
"price": 1800
},
{
"name": "Cloud Storage",
"price": 500
},
{
"name": "Short Messages",
"price": 35
},
{
"name": "Search Engine Optimization",
"price": 200
},
{
"name": "Priority Support",
"price": 75
},
{
"name": "Configuring mail server and mailboxes",
"price": 50
}
],
"total": 3810,
"tax": 0.065,
"discount": 0.01,
"note": "Thank You For Your Business!"
}
sample.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>HTML to PDF API Example</title>
</head>
<body>
<form name="form1" enctype="multipart/form-data" method="post" action="generate-invoice.php">
<p>
<label>Authentication key (API Key). Get your own by registering at <a href="https://apidocs.pdf.co">https://apidocs.pdf.co</a>.</label>
<br/>
<input type="text" name="apiKey" placeholder="API Key"/>
</p>
<p>
Click "Proceed" to generate PDF invoice from predefined templateId and "invoice_data.json".
</p>
<input type="submit" name="submit" value="Proceed" />
</form>
</body>
</html>
PDF.co Web API: the Web API with a set of tools for documents manipulation, data conversion, data extraction, splitting and merging of documents. Includes image recognition, built-in OCR, barcode generation and barcode decoders to decode bar codes from scans, pictures and pdf.
Download Source Code (.zip)
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