php - Making one jpeg file from 2 different images brought to user as 2 layers one under another -

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let's suppose have div picture. above div there div png picture of colored border , because of fact above main picture colored borders added main picture user can see 1 picture colored borders.

now problem how can join main picture file , colored borders png 1 jpg ?

if have imagick extension, or can install see here
http://www.php.net/manual/en/function.imagick-compositeimage.php (also can read this )

otherwise gd
php gd library used merge 2 images


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