如何从图像提取相机相关信息 [英] how to extract camera related information from image

问题描述

如何从存储在数据库中的图像中提取相机相关信息（例如相机型号，拍摄日期等）？例如，我调整了一个图像并上传并将其路径保存在数据库中。我想在显示图像时显示基本的相机信息，因此我想提取信息。谢谢。

How can I extract camera related information (eg. camera model, date taken etc) from an image stored in the database? For example, I resized an image and uploaded it and saved its path in database. I want to display basic camera information while displaying the image, therefore I want to extract the information. Thanks.

推荐答案

您想要读取EXIF数据。对于PHP，请使用exif_read_data 。示例：

You want to read the EXIF data. For PHP, use exif_read_data. Sample:

<?php
$exif = exif_read_data('img.jpg');
$model = $exif['Model'];
$iso = $exif['ISOSpeedRatings'];
$taken = $exif['DateTime'];

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