How to resize multiple images simultaneously?

I'm attempting to resize several images at once using a foreach loop, but the resizing is not working properly. Only some of the images are being resized per page.

How can I ensure that all of the images are resized simultaneously omeglz within my foreach loop on index()?

Please note that the file manager code is run/loaded through AJAX.

your query is in dilemma so tell us exactly because there is something like dropzone or https://www.dropzone.dev/ why don't you use it? and loop for??? or do you mean  something like or???

PHP Code:

  $bannerName = $bannerImg->getRandomName(); 
\Config\Services::image()->withFile($bannerImg)->fit(1000, 800, true, 'center')
->save('imagefolder/'.$bannerName ); 


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