Image to Image PHP Examples

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

Basic examples
PHP website examples
Laravel examples
Symfony examples

Basic examples

PNG file to JPEG file

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

    // configure the conversion
    $client->setOutputFormat("jpg");

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

?>

PNG file to in-memory JPEG

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

    // configure the conversion
    $client->setOutputFormat("jpg");

    // run the conversion and store the result into the "image" variable
    $image = $client->convertFile("/path/to/logo.png");

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

?>

PNG file to JPEG stream

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

    // configure the conversion
    $client->setOutputFormat("jpg");

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

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

    // run the conversion and write the result into 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}\n");
    throw $why;
}

?>

PNG url to JPEG file

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

    // configure the conversion
    $client->setOutputFormat("jpg");

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

?>

PNG url to in-memory JPEG

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

    // configure the conversion
    $client->setOutputFormat("jpg");

    // run the conversion and store the result into the "image" variable
    $image = $client->convertUrl("https://pdfcrowd.com/static/images/logo.png");

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

?>

PNG url to JPEG stream

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

    // configure the conversion
    $client->setOutputFormat("jpg");

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

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

    // run the conversion and write the result into 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}\n");
    throw $why;
}

?>

In-memory PNG to JPEG file

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

    // configure the conversion
    $client->setOutputFormat("jpg");

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

?>

In-memory PNG to in-memory JPEG

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

    // configure the conversion
    $client->setOutputFormat("jpg");

    // run the conversion and store the result into the "image" variable
    $image = $client->convertRawData(file_get_contents("/path/to/logo.png"));

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

?>

In-memory PNG to JPEG stream

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

    // configure the conversion
    $client->setOutputFormat("jpg");

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

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

    // run the conversion and write the result into 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}\n");
    throw $why;
}

?>

Get info about the current conversion

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

    // configure the conversion
    $client->setOutputFormat("jpg");
    $client->setDebugLog(true);

    // run the conversion and write the result to a file
    $client->convertFileToFile("/path/to/logo.png", "logo.jpg");
    
    // print URL to the debug log
    echo "Debug log url: " . $client->getDebugLogUrl() . "\n";
    
    // print the number of available conversion credits in your account
    echo "Remaining credit count: " . $client->getRemainingCreditCount() . "\n";
    
    // print the number of credits consumed by the conversion
    echo "Consumed credit count: " . $client->getConsumedCreditCount() . "\n";
    
    // print the unique ID of the conversion
    echo "Job id: " . $client->getJobId() . "\n";
    
    // print the size of the output in bytes
    echo "Output size: " . $client->getOutputSize() . "\n";
}
catch(\Pdfcrowd\Error $why)
{
    error_log("Pdfcrowd Error: {$why}\n");
    throw $why;
}

?>

PHP website examples

PNG file to JPEG in PHP website

<?php
require 'pdfcrowd.php';

// the recommended method is POST
if($_SERVER['REQUEST_METHOD'] == 'POST') {
    try {
        // create the API client instance
        $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

        // configure the conversion
        $client->setOutputFormat("jpg");

        // run the conversion
        $image = $client->convertFile("/path/to/logo.png");

        // set HTTP response headers
        header("Content-Type: image/jpeg");
        header("Cache-Control: no-cache");
        header("Accept-Ranges: none");
        header("Content-Disposition: attachment; filename*=UTF-8''" . rawurlencode("logo.jpg"));

        echo $image;
    }
    catch(\Pdfcrowd\Error $why) {
        // report the error
        header("Content-Type: text/plain");
        http_response_code($why->getCode());
        echo "Pdfcrowd Error: {$why}";
    }
}

?>

PNG url to JPEG in PHP website

<?php
require 'pdfcrowd.php';

// the recommended method is POST
if($_SERVER['REQUEST_METHOD'] == 'POST') {
    try {
        // create the API client instance
        $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

        // configure the conversion
        $client->setOutputFormat("jpg");

        // run the conversion
        $image = $client->convertUrl("https://pdfcrowd.com/static/images/logo.png");

        // set HTTP response headers
        header("Content-Type: image/jpeg");
        header("Cache-Control: no-cache");
        header("Accept-Ranges: none");
        header("Content-Disposition: attachment; filename*=UTF-8''" . rawurlencode("logo.jpg"));

        echo $image;
    }
    catch(\Pdfcrowd\Error $why) {
        // report the error
        header("Content-Type: text/plain");
        http_response_code($why->getCode());
        echo "Pdfcrowd Error: {$why}";
    }
}

?>

In-memory PNG to JPEG in PHP website

<?php
require 'pdfcrowd.php';

// the recommended method is POST
if($_SERVER['REQUEST_METHOD'] == 'POST') {
    try {
        // create the API client instance
        $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

        // configure the conversion
        $client->setOutputFormat("jpg");

        // run the conversion
        $image = $client->convertRawData(file_get_contents("/path/to/logo.png"));

        // set HTTP response headers
        header("Content-Type: image/jpeg");
        header("Cache-Control: no-cache");
        header("Accept-Ranges: none");
        header("Content-Disposition: attachment; filename*=UTF-8''" . rawurlencode("logo.jpg"));

        echo $image;
    }
    catch(\Pdfcrowd\Error $why) {
        // report the error
        header("Content-Type: text/plain");
        http_response_code($why->getCode());
        echo "Pdfcrowd Error: {$why}";
    }
}

?>

Laravel examples

PNG file to JPEG in Laravel

<?php

// the recommended method is POST
Route::post('/', function () {
    try {
        // create the API client instance
        $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

        // configure the conversion
        $client->setOutputFormat("jpg");

        // run the conversion and store the result into the "image" variable
        $image = $client->convertFile("/path/to/logo.png");

        // send the result and set HTTP response headers
        return response($image)
            ->header("Content-Type", "image/jpeg")
            ->header("Cache-Control", "no-cache")
            ->header("Accept-Ranges", "none")
            ->header("Content-Disposition",
                     "attachment; filename*=UTF-8''" . rawurlencode("logo.jpg"));
    }
    catch(\Pdfcrowd\Error $why) {
        // send the error in the HTTP response
        return response($why->getMessage(), $why->getCode())
            ->header("Content-Type", "text/plain");
    }
});

?>

PNG url to JPEG in Laravel

<?php

// the recommended method is POST
Route::post('/', function () {
    try {
        // create the API client instance
        $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

        // configure the conversion
        $client->setOutputFormat("jpg");

        // run the conversion and store the result into the "image" variable
        $image = $client->convertUrl("https://pdfcrowd.com/static/images/logo.png");

        // send the result and set HTTP response headers
        return response($image)
            ->header("Content-Type", "image/jpeg")
            ->header("Cache-Control", "no-cache")
            ->header("Accept-Ranges", "none")
            ->header("Content-Disposition",
                     "attachment; filename*=UTF-8''" . rawurlencode("logo.jpg"));
    }
    catch(\Pdfcrowd\Error $why) {
        // send the error in the HTTP response
        return response($why->getMessage(), $why->getCode())
            ->header("Content-Type", "text/plain");
    }
});

?>

In-memory PNG to JPEG in Laravel

<?php

// the recommended method is POST
Route::post('/', function () {
    try {
        // create the API client instance
        $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

        // configure the conversion
        $client->setOutputFormat("jpg");

        // run the conversion and store the result into the "image" variable
        $image = $client->convertRawData(file_get_contents("/path/to/logo.png"));

        // send the result and set HTTP response headers
        return response($image)
            ->header("Content-Type", "image/jpeg")
            ->header("Cache-Control", "no-cache")
            ->header("Accept-Ranges", "none")
            ->header("Content-Disposition",
                     "attachment; filename*=UTF-8''" . rawurlencode("logo.jpg"));
    }
    catch(\Pdfcrowd\Error $why) {
        // send the error in the HTTP response
        return response($why->getMessage(), $why->getCode())
            ->header("Content-Type", "text/plain");
    }
});

?>

Symfony examples

PNG file to JPEG in Symfony

<?php
namespace App\Controller;

use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\Response;

class DemoController
{
    /**
     * @Route("/", methods={"POST"})
     * the recommended method is POST
     */
    public function convert()
    {
        try {
            // create the API client instance
            $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

            // configure the conversion
            $client->setOutputFormat("jpg");

            // run the conversion and store the result into the "image" variable
            $image = $client->convertFile("/path/to/logo.png");

            // send the result and set HTTP response headers
            return new Response(
                $image,
                Response::HTTP_OK,
                ["Content-Type" => "image/jpeg",
                 "Cache-Control" => "no-cache",
                 "Accept-Ranges" => "none",
                 "Content-Disposition" => "attachment; filename*=UTF-8''" . rawurlencode("logo.jpg")]);
        }
        catch(\Pdfcrowd\Error $why) {
            // send the error in the HTTP response
            return new Response($why->getMessage(),
                                $why->getCode(),
                                ["Content-Type" => "text/plain"]);
        }
    }
}

PNG url to JPEG in Symfony

<?php
namespace App\Controller;

use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\Response;

class DemoController
{
    /**
     * @Route("/", methods={"POST"})
     * the recommended method is POST
     */
    public function convert()
    {
        try {
            // create the API client instance
            $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

            // configure the conversion
            $client->setOutputFormat("jpg");

            // run the conversion and store the result into the "image" variable
            $image = $client->convertUrl("https://pdfcrowd.com/static/images/logo.png");

            // send the result and set HTTP response headers
            return new Response(
                $image,
                Response::HTTP_OK,
                ["Content-Type" => "image/jpeg",
                 "Cache-Control" => "no-cache",
                 "Accept-Ranges" => "none",
                 "Content-Disposition" => "attachment; filename*=UTF-8''" . rawurlencode("logo.jpg")]);
        }
        catch(\Pdfcrowd\Error $why) {
            // send the error in the HTTP response
            return new Response($why->getMessage(),
                                $why->getCode(),
                                ["Content-Type" => "text/plain"]);
        }
    }
}

In-memory PNG to JPEG in Symfony

<?php
namespace App\Controller;

use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\Response;

class DemoController
{
    /**
     * @Route("/", methods={"POST"})
     * the recommended method is POST
     */
    public function convert()
    {
        try {
            // create the API client instance
            $client = new \Pdfcrowd\ImageToImageClient("your_username", "your_apikey");

            // configure the conversion
            $client->setOutputFormat("jpg");

            // run the conversion and store the result into the "image" variable
            $image = $client->convertRawData(file_get_contents("/path/to/logo.png"));

            // send the result and set HTTP response headers
            return new Response(
                $image,
                Response::HTTP_OK,
                ["Content-Type" => "image/jpeg",
                 "Cache-Control" => "no-cache",
                 "Accept-Ranges" => "none",
                 "Content-Disposition" => "attachment; filename*=UTF-8''" . rawurlencode("logo.jpg")]);
        }
        catch(\Pdfcrowd\Error $why) {
            // send the error in the HTTP response
            return new Response($why->getMessage(),
                                $why->getCode(),
                                ["Content-Type" => "text/plain"]);
        }
    }
}