function getExif($img){

$exif = exif_read_data($img, 'IFD0');

return array (

'文件名' => $exif['FileName'],

'器材品牌' => $exif['Make'],

'器材' => $exif['Model'],

'快门' => $exif['ExposureTime'],

'光圈' => $exif['FNumber'],

'焦距' => $exif['FocalLength'],

'感光度' => $exif['ISOSpeedRatings']

); 

}

#extension = "mbstring.so"

#extension = "exif.so"

$exifInfo = getExif('a.jpg');

echo '<pre>';

print_r($exifInfo);

echo '</pre>';