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PDF.co Web API – DOC To PDF API – PHP – Convert DOC To PDF Asynchronously

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PDF.co Web API – DOC To PDF API – PHP – Convert DOC To PDF Asynchronously

doc-to-pdf-async.php

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Cloud API asynchronous "DOC To PDF" job example (allows to avoid timeout errors).</title>
</head>
<body>
 
<?php
 
// Cloud API asynchronous "DOC To PDF" job example.
// Allows to avoid timeout errors when processing huge or scanned PDF documents.
 
 
// The authentication key (API Key).
// Get your own by registering at https://app.pdf.co/documentation/api
$apiKey = "***********************************";
 
// Direct URL of source DOC or DOCX file. Check another example if you need to upload a local file to the cloud.
$sourceFileUrl = "https://s3-us-west-2.amazonaws.com/bytescout-com/files/demo-files/cloud-api/doc-to-pdf/sample.docx";
 
 
// Prepare URL for `DOC To PDF` API call
$url = "https://api.pdf.co/v1/pdf/convert/from/doc" .
    "?url=" . $sourceFileUrl .
    "&async=true"; // (!) Make asynchronous job
 
// 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);
         
        if ($json&#91;"error"&#93; == false)
        {
            // URL of generated PDF file that will available after the job completion
            $resultFileUrl = $json&#91;"url"&#93;;
            // Asynchronous job ID
            $jobId = $json&#91;"jobId"&#93;;
             
            // Check the job status in a loop
            do
            {
                $status = CheckJobStatus($jobId); // Possible statuses: "InProgress", "Failed", "Aborted", "Finished".
                 
                // Display timestamp and status (for demo purposes)
                echo "<p>" . date(DATE_RFC2822) . ": " . $status . "</p>";
                 
                if ($status == "Finished")
                {
                    // Display link to the file with conversion results
                    echo "<div><h2>Conversion Result:</h2><a href='" . $resultFileUrl . "' target='_blank'>" . $resultFileUrl . "</a></div>";
                    break;
                }
                else if ($status == "InProgress")
                {
                    // Pause for a few seconds
                    sleep(3);
                }
                else
                {
                    echo $status . "<br/>";
                    break;
                }
            }
            while (true);
        }
        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);
 
 
function CheckJobStatus($jobId)
{
    $status = null;
     
    // Create URL
    $url = "https://api.pdf.co/v1/job/check?jobid=" . $jobId;
     
    // Create request
    $curl = curl_init();
    curl_setopt($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);
         
            if ($json["error"] == false)
            {
                $status = $json["Status"];
            }
            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);
     
    return $status;
}
 
?>
 
</body>
</html>

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