PHP adds watermark function class to pictures (applicable to pngjpggif format)

25Jul2016

PHP adds watermark to pictures (applicable to png/jpg/gif format)

25Jul2016

PHP image watermark class, PHP adds watermark function code to images

13Jul2016

Use PHP's HTTP request library Requests to implement the beauty picture wall. Use PHP's HTTP request library Requests to implement a beauty picture wall. This article mainly introduces the method of using PHP's HTTP request library Requests to implement a beauty picture wall. It is very simple and practical.

15Jul2016

PHP operates the Imagick library to print a matrix of numbers. PHP can operate the Imagick library to achieve many picture effects, such as printing an 8*10 digital matrix on a picture. The method to achieve the above effects is as follows: PHP operation Imagick library code //Grid ruler

28Jun2024

1. Click on the custom picture library (except that custom patterns need to be drawn by yourself, other operations are the same as the picture library) 2. After entering the library, select the elements you like. After selecting the picture, click Settings in the upper right corner of the screen to enter the gesture options. 3. Click the help below or follow the gestures above to adjust. 4. After completion, just follow the gestures

 

类似于下面这样
1.利用GD库函数生成图片，并在图片上写指定字符
imagecreatetruecolor 新建一个真彩色图像
imagecolorallocate 为一幅图像分配颜色(调色板) <" onerror="this.onerror=''; this.src='/static/imghwm/default1.png'" alt="GD library in PHP5 generates graphic verification code (with Chinese characters)_PHP tutorial">

21Jul2016

The GD library in PHP5 generates graphic verification codes (with Chinese characters). Use the GD library in PHP5 to generate a graphic verification code similar to the following 1. Use the GD library function to generate a picture and write the specified characters on the picture imagecreatetruecolor Create a new true color image image