PHP 获取图片信息exif

admin · 发表于 2017-8-16 20:17:23

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PHP 获取图片信息exif

代码：

$file_arr = read_exif_data('./1.png');
var_dump($file_arr);

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结果：

array (size=49)
'FileName' => string '2.png' (length=5)
'FileDateTime' => int 1446107171
'FileSize' => int 2640955
'FileType' => int 2
'MimeType' => string 'image/jpeg' (length=10)
'SectionsFound' => string 'ANY_TAG, IFD0, THUMBNAIL, EXIF, INTEROP' (length=39)
'COMPUTED' =>
array (size=12)
'html' => string 'width="4128" height="2322"' (length=26)
'Height' => int 2322
'Width' => int 4128
'IsColor' => int 1
'ByteOrderMotorola' => int 0
'ApertureFNumber' => string 'f/2.2' (length=5)
'UserComment' => null
'UserCommentEncoding' => string 'ASCII' (length=5)
'Thumbnail.FileType' => int 2
'Thumbnail.MimeType' => string 'image/jpeg' (length=10)
'Thumbnail.Height' => int 288
'Thumbnail.Width' => int 512
'ImageWidth' => int 4128
'ImageLength' => int 2322
'Make' => string 'SAMSUNG' (length=7)
'Model' => string 'GT-I9500' (length=8)
'Orientation' => int 3
'XResolution' => string '72/1' (length=4)
'YResolution' => string '72/1' (length=4)
'ResolutionUnit' => int 2
'Software' => string 'I9500ZCUHND1' (length=12)
'DateTime' => string '2015:10:29 16:05:28' (length=19)
'YCbCrPositioning' => int 1
'Exif_IFD_Pointer' => int 226
'THUMBNAIL' =>
array (size=9)
'ImageWidth' => int 512
'ImageLength' => int 288
'Compression' => int 6
'Orientation' => int 3
'XResolution' => string '72/1' (length=4)
'YResolution' => string '72/1' (length=4)
'ResolutionUnit' => int 2
'JPEGInterchangeFormat' => int 10570
'JPEGInterchangeFormatLength' => int 11304
'ExposureTime' => string '1/33' (length=4)
'FNumber' => string '22/10' (length=5)
'ExposureProgram' => int 2
'ISOSpeedRatings' => int 160
'ExifVersion' => string '0220' (length=4)
'DateTimeOriginal' => string '2015:10:29 16:05:28' (length=19)
'DateTimeDigitized' => string '2015:10:29 16:05:28' (length=19)
'ShutterSpeedValue' => string '506/100' (length=7)
'ApertureValue' => string '227/100' (length=7)
'BrightnessValue' => string '177/100' (length=7)
'ExposureBiasValue' => string '0/10' (length=4)
'MaxApertureValue' => string '227/100' (length=7)
'MeteringMode' => int 2

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参数说明：

'文件名' => $infoAll['FileName'],
'文件修改时间' => date('Y:m:d H:i:s',$infoAll['FileDateTime']),
'文件大小' => round($infoAll['FileSize']/1024) . 'kb',
'Exif文件类型' => $this->getImgtype($imgPath,'Exif'),
'Mime文件类型' => $infoAll['MimeType'],
'找到Sections' => $infoAll['SectionsFound'],
'html中图片宽高' => $infoAll['html'],
'图片高度' => $infoAll['Height'] . 'px',
'图片宽度' => $infoAll['Width'] . 'px',
'是否彩色' => $infoAll['IsColor'] == 1 ? '是' : '否',
'是否为Motorola字节顺序' => $infoAll['ByteOrderMotorola'] == 1 ? '是' : '否',
'光圈数' => $infoAll['ApertureFNumber'],
'作者注释' => $infoAll['Comments'],
'作者' => $infoAll['Author'],
'用户注释' => $infoAll['UserComment'],
'用户注释编码' => $infoAll['UserCommentEncoding'],
'缩略图Exif文件类型' => $this->getImgtype($imgPath,'Exif'),
'缩略图Mime文件类型' => $infoAll['Thumbnail.MimeType'],
'制造商' => $infoAll['Make'],
'型号' => $infoAll['Model'],
'方向' => array_search($infoAll['Orientation'],array(
'top left side' => 1,
'top right side' => 2,
'bottom right side' => 3,
'bottom left side' => 4,
'left side top' => 5,
'right side top' => 6,
'right side bottom' => 7,
'left side bottom' => 8
)),
'水平分辨率' => $infoAll['XResolution'],
'垂直分辨率' => $infoAll['YResolution'],
'分辨率单位' => array_search($infoAll['ResolutionUnit'],array(
'无单位' => 1,
'英寸' => 2,
'厘米' => 3
)),
'创建软件' => $infoAll['Software'],
'最后修改时间' => $infoAll['DateTime'],
'YCbCr位置控制' => $infoAll['YCbCrPositioning'] == 1 ? '像素阵列的中心' : '基准点',
'Exif图像IFD的指针' => $infoAll['Exif_IFD_Pointer'],
'压缩方式' => $infoAll['Compression'] == 6 ? 'jpeg压缩' : '无压缩',
'JPEG SOI偏移' => $infoAll['JPEGInterchangeFormat'],
'JPEG数据字节' => $infoAll['JPEGInterchangeFormatLength'],
'曝光时间' => $infoAll['ExposureTime'] . '秒',
'焦距比数' => $infoAll['FNumber'],
'曝光程序' => array_search($infoAll['ExposureProgram'],array(
'手动控制' => 1,
'程序控制' => 2,
'光圈优先' => 3,
'快门优先' => 4,
'景深优先' => 5,
'运动模式' => 6,
'肖像模式' => 7,
'风景模式' => 8
)),
'ISO感光度' => $infoAll['ISOSpeedRatings'],
'Exif版本' => $infoAll['ExifVersion'],
'拍摄时间' => $infoAll['DateTimeOriginal'],
'数字化时间' => $infoAll['DateTimeDigitized'],
'分量配置' => $infoAll['ComponentsConfiguration'],
'图像压缩率' => $infoAll['CompressedBitsPerPixel'],
'曝光补偿' => $infoAll['ExposureBiasValue'] . '电子伏特',
'最大光圈值' => $infoAll['MaxApertureValue'],
'测光模式' => array_search($infoAll['MeteringMode'],array(
'未知' => 0,
'平均' => 1,
'中央重点平均测光' => 2,
'点测' => 3,
'分区' => 4,
'评估' => 5,
'局部' => 6,
'其他' => 255
)),
'光源' => array_search($infoAll['LightSource'],array(
'未知' => 0,
'日光灯' => 1,
'荧光灯' => 2,
'钨丝灯' => 3,
'闪光灯' => 10,
'标准灯光A' => 17,
'标准灯光B' => 18,
'标准灯光C' => 19,
'D55' => 20,
'D65' => 21,
'D75' => 22,
'其他' => 255,
)),
'闪光灯' => array_search($infoAll['Flash'],array(
'闪光灯未闪光' => 0,
'闪光灯已闪光' => 1,
'闪光灯已闪光但频闪观测器未检测到返回光源' => 5,
'闪光灯已闪光,频闪观测器检测到返回光源' => 7
)),
'焦距' => $infoAll['FocalLength'] . '毫米',
'亚秒时间' => $infoAll['SubSecTime'],
'亚秒级拍摄时间' => $infoAll['SubSecTimeOriginal'],
'亚秒级数字化时间' => $infoAll['SubSecTimeDigitized'],
'FlashPix版本' => $infoAll['FlashPixVersion'],
'色彩空间' => $infoAll['ColorSpace'] == 1 ? 'sRGB' : 'Uncalibrated',
'Exif图片宽度' => $infoAll['ExifImageWidth'] . 'px',
'EXif图片高度' => $infoAll['ExifImageLength'] . 'px',
'IFD格式数据偏移量' => $infoAll['InteroperabilityOffset'],
'彩色区域传感器类型' => $infoAll['SensingMethod'] == 2 ? '单色区传感器' : '其他',
'图片像源' => $infoAll['FileSource'] == '0x03' ? '数码相机' : '其他',
'场景类型' => $infoAll['SceneType'] == '0x01' ? '直接拍摄' : '其他',
'滤波阵列图案' => $infoAll['CFAPattern'],
'自定义图像处理' => $infoAll['CustomRendered'],
'曝光模式' => $infoAll['CustomRendered'] == 1 ? '手动' : '自动',
'白平衡' => $infoAll['WhiteBalance'] == 1 ? '手动' : '自动',
'数位变焦倍率' => $infoAll['DigitalZoomRatio'],
'等价35mm焦距' => $infoAll['FocalLengthIn35mmFilm'] . '毫米',
'取景模式' => array_search($infoAll['SceneCaptureType'],array(
'自动' => 0,
'肖像场景' => 1,
'景观场景' => 2,
'运动场景' => 3,
'夜景' => 4,
'自动曝光' => 5,
'光圈优先自动曝光' => 256,
'快门优先自动曝光' => 512,
'手动曝光' => 768,
)),
'增益控制' => $infoAll['GainControl'],
'对比度' => array_search($infoAll['Contrast'],array(
'低' => -1,
'普通' => 0,
'高' => 1
)),
'饱和度' => array_search($infoAll['Saturation'],array(
'低' => -1,
'普通' => 0,
'高' => 1
)),
'清晰度' => array_search($infoAll['Sharpness'],array(
'低' => -1,
'普通' => 0,
'高' => 1
)),
'对焦距离' => array_search($infoAll['SubjectDistanceRange'],array(
'未知' => 0,
'微距' => 1,
'近景' => 2,
'远景' => 3
)),
'InterOperability指数' => $infoAll['InterOperabilityIndex'],
'InterOperability版本' => $infoAll['InterOperabilityVersion']

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