$val) { if ($name==$imageinfo) { $infoval = &$val; break; } } return $infoval;}function getimageinfo($img) { $imgtype = array(, gif, jpg, png, swf, psd, bmp, tiff(intel byte order), tiff(motorola byte order), jpc, jp2, jpx, jb2, swc, iff, wbmp, xbm); $orientation = array(, top left side, top right side, bottom right side, bottom left side, left side top, right side top, right side bottom, left side bottom); $resolutionunit = array(, , 英寸, 厘米); $ycbcrpositioning = array(, the center of pixel array, the datum point); $exposureprogram = array(未定义, 手动, 标准程序, 光圈先决, 快门先决, 景深先决, 运动模式, 肖像模式, 风景模式); $meteringmode_arr = array( 0 => 未知, 1 => 平均, 2 => 中央重点平均测光, 3 => 点测, 4 => 分区, 5 => 评估, 6 => 局部, 255 => 其他 ); $lightsource_arr = array( 0 => 未知, 1 => 日光, 2 => 荧光灯, 3 => 钨丝灯, 10 => 闪光灯, 17 => 标准灯光a, 18 => 标准灯光b, 19 => 标准灯光c, 20 => d55, 21 => d65, 22 => d75, 255 => 其他 ); $flash_arr = array( 0 => flash did not fire, 1 => flash fired, 5 => flash fired but strobe return light not detected, 7 => flash fired and strobe return light detected, ); $exif = exif_read_data ($img,ifd0); if ($exif===false) { $new_img_info = array (文件信息 => 没有图片exif信息); } else { $exif = exif_read_data ($img,0,true); $new_img_info = array ( 文件信息 => -----------------------------, 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]), 图像信息 => -----------------------------, 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], 拍摄信息 => -----------------------------, 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], /* the actual aperture value of lens when the image was taken. unit is apex. to convert this value to ordinary f-number(f-stop), calculate this value's power of root 2 (=1.4142). for example, if the aperturevalue is '5', f-number is pow(1.41425,5) = f5.6. */ 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]], /* brightness of taken subject, unit is apex. to calculate exposure(ev) from brigtnessvalue(bv), you must add sensitivityvalue(sv). ev=bv+sv sv=log((isospeedrating/3.125),2) iso100:sv=5, iso200:sv=6, iso400:sv=7, iso125:sv=5.32. */ 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, /* stores user comment. this tag allows to use two-byte character code or unicode. first 8 bytes describe the character code. 'jis' is a japanese character code (known as kanji). '0x41,0x53,0x43,0x49,0x49,0x00,0x00,0x00':ascii '0x4a,0x49,0x53,0x00,0x00,0x00,0x00,0x00':jis '0x55,0x4e,0x49,0x43,0x4f,0x44,0x45,0x00':unicode '0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00':undefined */ 用户注释编码 => $exif[computed][usercommentencoding], 用户注释 => $exif[computed][usercomment], 色彩空间 => ($exif[exif][colorspace]==1?srgb:uncalibrated), exif图像宽度 => $exif[exif][exifimagelength], exif图像高度 => $exif[exif][exifimagewidth], 文件来源 => (bin2hex($exif[exif][filesource])==0x03?digital still camera:unknown), 场景类型 => (bin2hex($exif[exif][scenetype])==0x01?a directly photographed image:unknown), 缩略图文件格式 => $exif[computed][thumbnail.filetype], 缩略图mime格式 => $exif[computed][thumbnail.mimetype] ); } return $new_img_info;}$innerhtml = ;$exif = getimageinfo($_get['img']);$innerhtml .= ;foreach($exif as $name=>$val) { $innerhtml .= {$name} {$val}
;}$innerhtml .= ;if ($_get['img']) { $image = exif_thumbnail($_get['img']);} else { $image = false;}if ($image!==false) { $innerhtml .= ;} else { // no thumbnail available, handle the error here $innerhtml .= no thumbnail available;}$innerhtml .=
;?> 图片信息
http://www.bkjia.com/phpjc/840633.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/840633.htmltecharticlephp实现显示照片exif信息的方法， php编程可实现显示照片exif信息，显示图片中缩略图效果，其代码如下： /*** 获取图象信息的函数* 一个全...