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Why GetimageSize function in php is not working for iphone portrait images

php的GetimageSize函数获取图像的高度,宽度和上载图像的mime类型不适用于iPhone肖像图像。它可以将图像的高度设置为width参数,反之亦然。但是对于横向图像来说,它可以正常工作。

 <?php $size = getimagesize($filename); $fp = fopen($filename, "rb"); if ($size && $fp) { header("Content-type: {$size['mime']}"); fpassthru($fp); exit; } else { // error } ?> 

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