PHP QR Code
You can provide data in GET parameter: like that
Warning: imagepng(/var/www/html/inc/classes/phpqrcode/temp/test.png): failed to open stream: Permission denied in /var/www/html/inc/classes/phpqrcode/qrimage.php on line 43

| BENCHMARK |
| till after_raw: | 0.000917s |
|---|
| till after_filler: | 0.000350s |
|---|
| till after_mask: | 0.003598s |
|---|
| till after_encode: | 0.000008s |
|---|
| till finish: | 0.000574s |
| TOTAL: | 0.005447s |