Convert PDF To HTML From Uploaded File - PHP
PDF to HTML sample in PHP demonstrating ‘Convert PDF To HTML From Uploaded File’
pdf-to-html.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>PDF To HTML Extraction Results</title>
</head>
<body>
<?php
// Note: If you have input files large than 200kb we highly recommend to check "async" mode example.
// Get submitted form data
$apiKey = $_POST["apiKey"]; // The authentication key (API Key). Get your own by registering at https://app.pdf.co
$pages = "";
if(isset($_POST["pages"])){
$pages = $_POST["pages"];
}
$plainHtml = false;
if(isset($_POST["plainHtml"])){
$plainHtml = $_POST["plainHtml"];
}
$columnLayout = false;
if(isset($_POST["columnLayout"])){
$columnLayout = $_POST["columnLayout"];
}
// 1. RETRIEVE THE PRESIGNED URL TO UPLOAD THE FILE.
// * If you already have the direct PDF file link, go to the step 3.
// Create URL
$url = "https://api.pdf.co/v1/file/upload/get-presigned-url" .
"?name=" . urlencode($_FILES["file"]["name"]) .
"&contenttype=application/octet-stream";
// Create request
$curl = curl_init();
curl_setopt($curl, CURLOPT_HTTPHEADER, array("x-api-key: " . $apiKey));
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
// 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);
// Get URL to use for the file upload
$uploadFileUrl = $json["presignedUrl"];
// Get URL of uploaded file to use with later API calls
$uploadedFileUrl = $json["url"];
// 2. UPLOAD THE FILE TO CLOUD.
$localFile = $_FILES["file"]["tmp_name"];
$fileHandle = fopen($localFile, "r");
curl_setopt($curl, CURLOPT_URL, $uploadFileUrl);
curl_setopt($curl, CURLOPT_HTTPHEADER, array("content-type: application/octet-stream"));
curl_setopt($curl, CURLOPT_PUT, true);
curl_setopt($curl, CURLOPT_INFILE, $fileHandle);
curl_setopt($curl, CURLOPT_INFILESIZE, filesize($localFile));
// Execute request
curl_exec($curl);
fclose($fileHandle);
if (curl_errno($curl) == 0)
{
$status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
if ($status_code == 200)
{
// 3. CONVERT UPLOADED PDF FILE TO HTML
PdfToHtml($apiKey, $uploadedFileUrl, $pages, $plainHtml, $columnLayout);
}
else
{
// Display request error
echo "<p>Status code: " . $status_code . "</p>";
echo "<p>" . $result . "</p>";
}
}
else
{
// Display CURL error
echo "Error: " . curl_error($curl);
}
}
else
{
// Display service reported error
echo "<p>Status code: " . $status_code . "</p>";
echo "<p>" . $result . "</p>";
}
curl_close($curl);
}
else
{
// Display CURL error
echo "Error: " . curl_error($curl);
}
function PdfToHtml($apiKey, $uploadedFileUrl, $pages, $plainHtml, $columnLayout)
{
// Create URL
$url = "https://api.pdf.co/v1/pdf/convert/to/html";
// Prepare requests params
$parameters = array();
$parameters["url"] = $uploadedFileUrl;
$parameters["pages"] = $pages;
if($plainHtml){
$parameters["simple"] = $plainHtml;
}
if($columnLayout){
$parameters["columns"] = $columnLayout;
}
// 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>
sample.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>PDF To HTML Cloud API Example</title>
</head>
<body>
<form name="form1" enctype="multipart/form-data" method="post" action="pdf-to-html.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>
<label>Input File (*.pdf)</label>
<input type="hidden" name="MAX_FILE_SIZE" value="8000000"/>
<input type="file" name="file"/>
</p>
<p>
<label>Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'.</label>
<br/>
<input type="number" name="pages" value="0">
</p>
<p>
<input type="checkbox" name="plainHtml" value="true">
<label>Generate simplified HTML without CSS.</label>
</p>
<p>
<input type="checkbox" name="columnLayout" value="true">
<label>Column layout. Check it if your document has the column layout like a newspaper.</label>
</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.