Image to PDF / PHP Examples

This page contains various examples of using the Image to PDF API in PHP. The examples are complete and fully functional. Read more about how to convert Image to PDF in PHP.

Basic examples
PHP website examples
Laravel examples
Symfony examples

Basic examples

PNG file to PDF file

<?php
require "pdfcrowd.php";

try
{
    // Create an API client instance.
    $client = new \Pdfcrowd\ImageToPdfClient("your_username", "your_apikey");

    // Run the conversion and save the result to a file.
    $client->convertFileToFile("/path/to/logo.png", "logo.pdf");
}
catch(\Pdfcrowd\Error $why)
{
    error_log("PDFCrowd Error: {$why}");
    throw $why;
}

?>

PNG file to in-memory PDF

<?php
require "pdfcrowd.php";

try
{
    // Create an API client instance.
    $client = new \Pdfcrowd\ImageToPdfClient("your_username", "your_apikey");

    // Run the conversion and store the result in the `pdf` variable.
    $pdf = $client->convertFile("/path/to/logo.png");

    // at this point the "pdf" variable contains PDF raw data and
    // can be sent in an HTTP response, saved to a file, etc.
}
catch(\Pdfcrowd\Error $why)
{
    error_log("PDFCrowd Error: {$why}");
    throw $why;
}

?>

PNG file to PDF stream

<?php
require "pdfcrowd.php";

try
{
    // Create an API client instance.
    $client = new \Pdfcrowd\ImageToPdfClient("your_username", "your_apikey");

    // Create an output stream for the conversion result
    $output_stream = fopen("logo.pdf", "wb");

    // Check for a file creation error.
    if (!$output_stream)
        throw new \Exception(error_get_last()['message']);

    // run the conversion and write the result to the output stream.
    $client->convertFileToStream("/path/to/logo.png", $output_stream);

    // Close the output stream.
    fclose($output_stream);
}
catch(\Pdfcrowd\Error $why)
{
    error_log("PDFCrowd Error: {$why}");
    throw $why;
}

?>

PNG url to PDF file

<?php
require "pdfcrowd.php";

try
{
    // Create an API client instance.
    $client = new \Pdfcrowd\ImageToPdfClient("your_username", "your_apikey");

    // Run the conversion and save the result to a file.
    $client->convertUrlToFile("https://pdfcrowd.com/static/images/logo.png", "logo.pdf");
}
catch(\Pdfcrowd\Error $why)
{
    error_log("PDFCrowd Error: {$why}");
    throw $why;
}

?>

PNG url to in-memory PDF

<?php
require "pdfcrowd.php";

try
{
    // Create an API client instance.
    $client = new \Pdfcrowd\ImageToPdfClient("your_username", "your_apikey");

    // Run the conversion and store the result in the `pdf` variable.
    $pdf = $client->convertUrl("https://pdfcrowd.com/static/images/logo.png");

    // at this point the "pdf" variable contains PDF raw data and
    // can be sent in an HTTP response, saved to a file, etc.
}
catch(\Pdfcrowd\Error $why)
{
    error_log("PDFCrowd Error: {$why}");
    throw $why;
}

?>

PNG url to PDF stream

<?php
require "pdfcrowd.php";

try
{
    // Create an API client instance.
    $client = new \Pdfcrowd\ImageToPdfClient("your_username", "your_apikey");

    // Create an output stream for the conversion result
    $output_stream = fopen("logo.pdf", "wb");

    // Check for a file creation error.
    if (!$output_stream)
        throw new \Exception(error_get_last()['message']);

    // run the conversion and write the result to the output stream.
    $client->convertUrlToStream("https://pdfcrowd.com/static/images/logo.png", $output_stream);

    // Close the output stream.
    fclose($output_stream);
}
catch(\Pdfcrowd\Error $why)
{
    error_log("PDFCrowd Error: {$why}");
    throw $why;
}

?>

In-memory PNG to PDF file

<?php
require "pdfcrowd.php";

try
{
    // Create an API client instance.
    $client = new \Pdfcrowd\ImageToPdfClient("your_username", "your_apikey");

    // Run the conversion and save the result to a file.
    $client->convertRawDataToFile(file_get_contents("/path/to/logo.png"), "logo.pdf");
}
catch(\Pdfcrowd\Error $why)
{
    error_log("PDFCrowd Error: {$why}");
    throw $why;
}

?>

In-memory PNG to in-memory PDF

<?php
require "pdfcrowd.php";

try
{
    // Create an API client instance.
    $client = new \Pdfcrowd\ImageToPdfClient("your_username", "your_apikey");

    // Run the conversion and store the result in the `pdf` variable.
    $pdf = $client->convertRawData(file_get_contents("/path/to/logo.png"));

    // at this point the "pdf" variable contains PDF raw data and
    // can be sent in an HTTP response, saved to a file, etc.
}
catch(\Pdfcrowd\Error $why)
{
    error_log("PDFCrowd Error: {$why}");
    throw $why;
}

?>

In-memory PNG to PDF stream

<?php
require "pdfcrowd.php";

try
{
    // Create an API client instance.
    $client = new \Pdfcrowd\ImageToPdfClient("your_username", "your_apikey");

    // Create an output stream for the conversion result
    $output_stream = fopen("logo.pdf", "wb");

    // Check for a file creation error.
    if (!$output_stream)
        throw new \Exception(error_get_last()['message']);

    // run the conversion and write the result to the output stream.
    $client->convertRawDataToStream(file_get_contents("/path/to/logo.png"), $output_stream);

    // Close the output stream.
    fclose($output_stream);
}
catch(\Pdfcrowd\Error $why)
{
    error_log("PDFCrowd Error: {$why}");
    throw $why;
}

?>

Get info about the current conversion

<?php
require "pdfcrowd.php";

try
{
    // Create an API client instance.
    $client = new \Pdfcrowd\ImageToPdfClient("your_username", "your_apikey");

    // Configure the conversion.
    $client->setDebugLog(true);

    // Run the conversion and save the result to a file.
    $client->convertFileToFile("/path/to/logo.png", "logo.pdf");
    
    // print URL pointing to the debug log for this request.
    echo "Debug log url: " . $client->getDebugLogUrl() . "\n";
    
    // print Number of conversion credits remaining in your account.
    echo "Remaining credit count: " . $client->getRemainingCreditCount() . "\n";
    
    // print Number of credits consumed for this conversion.
    echo "Consumed credit count: " . $client->getConsumedCreditCount() . "\n";
    
    // print Unique identifier assigned to this conversion job.
    echo "Job id: " . $client->getJobId() . "\n";
    
    // print Size of the output data in bytes.
    echo "Output size: " . $client->getOutputSize() . "\n";
}
catch(\Pdfcrowd\Error $why)
{
    error_log("PDFCrowd Error: {$why}");
    throw $why;
}

?>

PHP website examples

Laravel examples

Symfony examples