Proportional scaling of two php images

The code is as follows:

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<? Php Header ("content-type: image/jpeg "); $ Filename = hsdir. '/mljntc2p.jpg '; $ Im = imagecreatefromjpeg ($ filename ); $ H = imagesy ($ im); // Obtain the target image height $ New_img_width = 257; $ New_img_height = 522; $ Newim = imagecreate ($ new_img_width, $ new_img_height ); $ White = imagecolorallocate ($ newim, 255,255,255); // set the background color. Imagecopyresized ($ newim, $ im, 0, 0, 0, 0, $ new_img_width, $ new_img_height, $ new_img_width, $ new_img_height ); Imagefilledrectangle ($ newim, 0, $ h, $ new_img_width, $ new_img_height, $ white ); // Fill in the target image height as the starting y coordinate to specify the intercepting width and height as the ending coordinate Imagejpeg ($ newim ); Imagedestroy ($ newim ); Imagedestroy ($ im ); ?>

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The code is as follows:

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<? Php Header ("content-type: image/jpeg "); $ Filename = 'myface.jpg '; $ Im = imagecreatefromjpeg ($ filename ); $ New_img_width = 80; $ New_img_height = 150; $ Newim = imagecreate ($ new_img_width, $ new_img_height ); $ White = imagecolorallocate ($ newim, 255,255,255); // set the background color. Imagecopyresized ($ newim, $ im, 0, 0, 0, 0, $ new_img_width, $ new_img_height, $ new_img_width, $ new_img_height ); Imagejpeg ($ newim ); Imagedestroy ($ newim ); Imagedestroy ($ im ); ?>