PHP:EXIF扩展

服务器配置说明:
1.在php.ini文件中找到;extension=php_exif.dll,去掉前面的分号
2.在php.ini文件中找到;extension=php_mbstring.dll,去掉前面的分号,并将此行移动到extension=php_exif.dll之前,使之首先加载*。
3.找到[exif]段,把下面语句的分号去掉。
;exif.encode_unicode = ISO-8859-15
;exif.decode_unicode_motorola = UCS-2BE
;exif.decode_unicode_intel    = UCS-2LE
;exif.encode_jis =
;exif.decode_jis_motorola = JIS
;exif.decode_jis_intel    = JIS

不同的人可能需要不同的EXIF信息,下面这一段大家可以根据需要选用:
"文件名"                =>        $exif[FILE][FileName],
"文件类型"                =>        $imgtype[$exif[FILE][FileType]],
文件格式"                =>        $exif[FILE][MimeType],
"文件大小"                =>        $exif[FILE][FileSize],
"时间戳"                =>        date("Y-m-d H:i:s",$exif[FILE][FileDateTime]),
"图片说明"                =>        $exif[IFD0][ImageDescription],
"制造商"                =>        $exif[IFD0][Make],
"型号"                =>        $exif[IFD0][Model],
"方向"                =>        $Orientation[$exif[IFD0][Orientation]],
"水平分辨率"        =>        $exif[IFD0][XResolution].$ResolutionUnit[$exif[IFD0][ResolutionUnit]],
"垂直分辨率"        =>        $exif[IFD0][YResolution].$ResolutionUnit[$exif[IFD0][ResolutionUnit]],
"创建软件"                =>        $exif[IFD0][Software],
"修改时间"                =>        $exif[IFD0][DateTime],
"作者"                        =>        $exif[IFD0][Artist],
"YCbCr位置控制"        =>        $YCbCrPositioning[$exif[IFD0][YCbCrPositioning]],
"版权"                        =>        $exif[IFD0][Copyright],
"摄影版权"                =>        $exif[COMPUTED][Copyright.Photographer],
"编辑版权"                =>        $exif[COMPUTED][Copyright.Editor],
"Exif版本"                =>        $exif[EXIF][ExifVersion],
"FlashPix版本"        =>        "Ver. ".number_format($exif[EXIF][FlashPixVersion]/100,2),
"拍摄时间"                =>        $exif[EXIF][DateTimeOriginal],
"数字化时间"        =>        $exif[EXIF][DateTimeDigitized],
"拍摄分辨率高"        =>        $exif[COMPUTED][Height],
"拍摄分辨率宽"        =>        $exif[COMPUTED][Width],
"光圈"                        =>        $exif[EXIF][ApertureValue],
"快门速度"                =>        $exif[EXIF][ShutterSpeedValue],
"快门光圈"                =>        $exif[COMPUTED][ApertureFNumber],
"最大光圈值"        =>        "F".$exif[EXIF][MaxApertureValue],
"曝光时间"                =>        $exif[EXIF][ExposureTime],
"F-Number"                =>        $exif[EXIF][FNumber],
"测光模式"                =>        GetImageInfoVal($exif[EXIF][MeteringMode],$MeteringMode_arr),
"光源"                        =>        GetImageInfoVal($exif[EXIF][LightSource], $Lightsource_arr),
"闪光灯"                =>        GetImageInfoVal($exif[EXIF][Flash], $Flash_arr),
"曝光模式"                =>        ($exif[EXIF][ExposureMode]==1?"手动":"自动"),
"白平衡"                =>        ($exif[EXIF][WhiteBalance]==1?"手动":"自动"),
"曝光程序"                =>        $ExposureProgram[$exif[EXIF][ExposureProgram]],
"曝光补偿"                =>        $exif[EXIF][ExposureBiasValue]."EV",
"ISO感光度"                =>        $exif[EXIF][ISOSpeedRatings],
"分量配置"                =>        (bin2hex($exif[EXIF][ComponentsConfiguration])=="01020300"?"YCbCr":"RGB"),//'0x04,0x05,0x06,0x00'="RGB" '0x01,0x02,0x03,0x00'="YCbCr"
"图像压缩率"        =>        $exif[EXIF][CompressedBitsPerPixel]."Bits/Pixel",
"对焦距离"                =>        $exif[COMPUTED][FocusDistance]."m",
"焦距"                        =>        $exif[EXIF][FocalLength]."mm",
"等价35mm焦距"        =>        $exif[EXIF][FocalLengthIn35mmFilm]."mm",

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