(PHP Extension) QR Code Generator via api.qrserver.com REST API

See more HTTP Examples

Demonstrates how to generate a QR code using the api.qrserver.com REST API service.

For more information, see https://goqr.me/api/doc/create-qr-code/

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux, Solaris

<?php

include("chilkat.php");
// Use "chilkat_9_5_0.php" for versions of Chilkat < 10.0.0

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$http = new CkHttp();

// Send the following GET request to get a binary response.
// The body of the binary response contains the image data for the QR code.
// https://api.qrserver.com/v1/create-qr-code/?data=[URL-encoded-text]&size=[pixels]x[pixels]

$queryParams = new CkJsonObject();
$queryParams->UpdateString('data','Hello World');
$queryParams->UpdateString('size','100x100');

// Get a PNG file..
// Possible formats are:
// png
// gif
// jpeg
// jpg
// svg
// eps
// Case matters.  Use lowercase.
$queryParams->UpdateString('format','png');

// Send the GET request to an endpoint.
// Chilkat will add the url-encoded query params passed in the JSON.
// resp is a CkHttpResponse
$resp = $http->QuickRequestParams('GET','https://api.qrserver.com/v1/create-qr-code/',$queryParams);
if ($http->get_LastMethodSuccess() == false) {
    print $http->lastErrorText() . "\n";
    exit;
}

// Did it succeed?
if ($resp->get_StatusCode() != 200) {
    // The response body, if anything, would not be the image data, but would likely be the error text (or HTML, or whatever...)
    print $resp->bodyStr() . "\n";
    print 'Response status = ' . $resp->get_StatusCode() . "\n";
    print 'Failed.' . "\n";

    exit;
}

// Success if we get here..
// Save the binary body as the PNG file, or you can get the bytes of the PNG..
$success = $resp->SaveBodyBinary('c:/temp/qa_output/qr_code.png');

// Or get the bytes:
$bd = new CkBinData();
$resp->GetBodyBd($bd);
// Use the bytes in bd...
// See the online reference documentation for the function to access the bytes directly.

print 'Success.' . "\n";

?>