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php调整图像尺寸的代码

= $y) {
$newx = $xmax;$newy = $newx * $y / $x;}else {$newy = $ymax;$newx = $x / $y * $newy;}$im2 = imagecreatetruecolor($newx, $newy);
imagecopyresized($im2, $im, 0, 0, 0, 0, floor($newx), floor($newy), $x, $y);return $im2;}?>
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