PHP method to generate color QR code based on QRCODE

This article mainly introduces the method of generating color QR codes with PHP QRCODE, and briefly analyzes the relevant parameter setting skills of phpqrcode files for generating color QR codes. Friends in need can refer to it

Here Rewrote PHPQRCODE, streamlined some codes, and merged the output of PNG, GIF, and JPEG.

Parameter description:

Calling method:

Copy code The code is as follows:

QRcode::IMGout($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $col=array(array (255,255,255),array(0,0,0)),$margin =2, $saveandprint=false,$logo=false,$bg=false,$type='png');

$text String
$outfile = false

Output file

$level = L Fault tolerance L 7% M 15% Q 25% H 30%
$size = 3 Size of each pixel
$col=array(array(255,255,255),array(0,0,0))

Color multidimensional array RBG

[0] Background color array(r,g,b)
[1] Around the upper left corner array(r,g,b)
[2] Around the upper right corner array(r,g,b)
[3] Around the lower left corner array(r,g,b)
[4] Center of the upper left corner array(r,g,b)
[5] Upper right corner center array(r,g,b)
[6] Lower left corner center array(r,g,b)
[7] Content array(r,g,b)
[8] Whether the content color changes // No code has been written yet, keep

$margin = 2 // Surrounding margin
$saveandprint=false

$outfile is true Whether to output simultaneously

$logo=false LOGO图像地址 //LOGO高大于宽自动裁剪 圆角透明没写好
$bg=false //背景图像数组

[0] Image address
[1] Background width 0 is unchanged
[2] Background height 0 is to maintain aspect ratio
[3 ] The ratio of the smallest value of the width of the LOGO to the width and height of the background is 0.8, which is 80%
[4] If the left margin of the LOGO is 0 from the background, it will be centered and the right side will automatically move to the left.
[5] The margin of the LOGO will be 0 from the top margin of the background. For centering, the lower edge will automatically go up if it exceeds

$type='png' Output type PNG GIF JPG

Summary: The above is the entire content of this article, I hope it can help everyone learn Helps.

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