How can I use php to obtain links to images loaded in the canvas.

Source: Internet
Author: User
1. there are some images in the canvas. I want to use php to get links to the images in the canvas and download the images to the local machine. 2. if an image is in a webpage, you can get the image path and use a function similar to file_get_contents to download the image to the local machine. 3. the problem is that there are some images in the canvas. I want to use php to get links to the images in the canvas and download the images to the local machine.
2. if an image is in a webpage, you can get the image path and use a function similar to file_get_contents to download the image to the local machine.
3. the problem is that I cannot obtain the paths of these images in the canvas.
4. check whether php can be used to obtain the path of the image loaded in the canvas.

Reply content:

1. there are some images in the canvas. I want to use php to get links to the images in the canvas and download the images to the local machine.
2. if an image is in a webpage, you can get the image path and use a function similar to file_get_contents to download the image to the local machine.
3. the problem is that I cannot obtain the paths of these images in the canvas.
4. check whether php can be used to obtain the path of the image loaded in the canvas.

PHP can be obtained in two ways:
1. capture through the rule page
II. submit to php via ajax on the previous page

You can use a variable to save the paths of these images when obtaining images from canvas. When canvas toDataURL is used, you can submit this variable to the background.

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