Quick Start - QR Code Generator v1.0.1

Get started with high-performance QR code generation in minutes. This guide covers the most common use cases with live examples.

Basic QR Code Generation

The most common QR codes you'll need:

 
use QR_Code\Types\QR_Text;
use QR_Code\Types\QR_Url;
 
// Simple text QR code
$textQR = new QR_Text('Hello, World!');
echo $textQR->png();  // PNG binary data
 
// URL QR code
$urlQR = new QR_Url('https://github.com/webpatser/qr-code');
echo $urlQR->svg();   // SVG string

Output Formats

Generate QR codes in multiple formats:

 
use QR_Code\Types\QR_Text;
 
$qr = new QR_Text('Sample Text');
 
// Different output formats
$pngData = $qr->png();        // PNG binary data
$svgString = $qr->svg();      // SVG as string
$epsString = $qr->eps();      // EPS PostScript
 
// Custom size
$qr->setSize(8);              // Larger size
$largePng = $qr->png();       // Larger QR code
 
$qr->setSize(2);              // Smaller size
$smallPng = $qr->png();       // Smaller QR code

QR Code Types

Advanced QR Codes

Create specialized QR codes with additional data:

 
use QR_Code\Types\QR_EmailMessage;
use QR_Code\Types\QR_Phone;
use QR_Code\Types\QR_Sms;
use QR_Code\Types\QR_WiFi;
use QR_Code\Types\QR_Text;
 
// Email with subject and body
$email = new QR_EmailMessage('[email protected]', 'Message body', 'Hello');
 
// Phone number
$phone = new QR_Phone('+1-555-123-4567');
 
// SMS with message
$sms = new QR_Sms('+1-555-123-4567', 'Hello from QR code!');
 
// WiFi network credentials
$wifi = new QR_WiFi('NetworkName', 'password123', 'WPA');
 
// Geographic coordinates (as text)
$geo = new QR_Text('geo:40.7128,-74.0060'); // New York coordinates

Performance Tips

• Use caching: 3300x performance boost with built-in cache
• Choose the right format: SVG for scalability, PNG for compatibility
• Optimize size: Smaller QR codes scan faster
• ImageMagick: Install for better performance and quality

 
// Enable caching for massive performance boost
QR_Code\QR_Code::enableCache();
 
// Efficient batch generation
$qrCodes = [];
foreach ($urls as $url) {
    $qrCodes[] = QR_Code::url($url)->png();
}
 
// Benchmark generation speed
$start = microtime(true);
for ($i = 0; $i < 100; $i++) {
    QR_Code::text("Sample $i")->png();
}
$time = (microtime(true) - $start) * 1000;
echo "Generated 100 QR codes in {$time}ms";

Next Steps