How to add a background image to a PHP file

I add PHP to the HTML file, but I can't show the effect of the background in the browser (not with CSS, maybe I won't)

Reply to discussion (solution)

Not with CSS? Stick to your code and see.

It's a bit confusing. Please restore the entire process in detail. How does HTML add php?

HTML to manipulate the display effect or you have to use Js/jquery to control. And finally the HTML or CSS.

Check to see if the IMG src is correctly read to Bgimage.

    
Background-image

The path in PHP is a jump based on the address of the current execution file.
See if the call path to the CSS you are calling can be run in the current PHP file.
Also, make sure that your CSS is written correctly.

Please write a whole piece of code, just take it to me!

See if there is an error in the path to the picture!

The original is Firefox does not give force, can not display

PHP download images from CSS files
Http://3aj.cn/php/33.html

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