利用php获取图片完整Exif信息类 获取图片详细完整信息类

<?php  

/** 

* @Author: TonyLevid 

* @Copyright: TonyLevid.com 

* @Name: Image Exif Class 

* @Version: 0.0.1 

* 欢迎各位测试，如有BUG，请到网站留言 

* I'm pleased if you are willing to test my Image Exif class,if bug exists,you can leave a message. 

**/  

  

//error_reporting(0);   不想让用户看到错误如果存在bug  

header("content-type:text/html;charset=utf-8");   //如果在html页面已经设置编码，请删除此行  

class imgExif{  

    public $imgPath;  

    public $unitFlag;  

    public $imgInfoAll;  

    public $imgInfoAllCN;  

    public $imgInfoCommon;  

    public $imgInfoBrief;  

    public $imgInfoAllCNUnit;  

  

    /*构造函数，检测exif和mbstring模块是否开启*/  

    function __construct(){  

        extension_loaded('exif')&&extension_loaded('mbstring') or 

            die('exif module was not loaded,please check it in php.ini<br>NOTICE:On Windows,php_mbstring.dll must be before php_exif.dll'); 

    } 

 

    /*获取图片格式，返回图片格式信息 

    *     如果只获取图片格式信息，建议采用此方法 

    * 

    * @param $imgPath(必填,字符串)，图片路径，不可为url。 

    * @param $MimeOrExifOrExtension(可选,字符串)，获取图片格式为Mime类型或Exif类型或图片类型文件后缀。 

    *      如果为字符串'Mime'，则获取Mime图片类型。 

    *      如果为字符串'Exif'，则获取Exif图片类型。 

    *      如果为字符串'Extension'，则获取图片类型的文件后缀。 

    *      如果填写参数异常或缺省，则默认获取Mime图片类型。 

    */ 

 

    function getImgtype($imgPath,$MimeOrExifOrExtension = null){ 

        $exifImgtype = array( 

            'IMAGETYPE_GIF' => 1, 

            'IMAGETYPE_JPEG' => 2, 

            'IMAGETYPE_PNG' => 3, 

            'IMAGETYPE_SWF' => 4, 

            'IMAGETYPE_PSD' => 5, 

            'IMAGETYPE_BMP' => 6, 

            'IMAGETYPE_TIFF_II' => 7, //（Intel 字节顺序） 

            'IMAGETYPE_TIFF_MM' => 8, //（Motorola 字节顺序） 

            'IMAGETYPE_JPC' => 9, 

            'IMAGETYPE_JP2' => 10, 

            'IMAGETYPE_JPX' => 11, 

            'IMAGETYPE_JB2' => 12, 

            'IMAGETYPE_SWC' => 13, 

            'IMAGETYPE_IFF' => 14, 

            'IMAGETYPE_WBMP' => 15, 

            'IMAGETYPE_XBM' => 16 

            ); 

        $exifType = array_search(exif_imagetype($imgPath),$exifImgtype); 

        $mimeType = image_type_to_mime_type(exif_imagetype($imgPath)); 

        $extension = substr(image_type_to_extension(exif_imagetype($imgPath)),1); 

        if($MimeOrExifOrExtension){ 

            if($MimeOrExifOrExtension === 'Mime'){ 

                return $mimeType; 

            } 

            elseif($MimeOrExifOrExtension === 'Exif'){ 

                return $exifType; 

            } 

            elseif($MimeOrExifOrExtension === 'Extension'){ 

                return $extension; 

            } 

            else{ 

                return $mimeType; 

            } 

        } 

        else{ 

            return $mimeType; 

        } 

    } 

 

    /*处理Exif信息*/ 

    function imgInfo(){ 

        $imgPath = $this->imgPath; 

 

        $imgInfoAll = exif_read_data($imgPath,0,1); 

        foreach($imgInfoAll as $section => $arrValue){ 

            foreach($arrValue as $key => $value){ 

                $infoAllKey[] = $key; 

                $infoAllValue[] = $value; 

            } 

        } 

        $infoAll = array_combine($infoAllKey,$infoAllValue); 

 

        $translate = array( 

            'FileName'=>'文件名', 

            'FileDateTime' => '文件修改时间', 

            'FileSize' => '文件大小', 

            'FileType' => 'Exif文件类型', 

            'MimeType' => 'Mime文件类型', 

            'SectionsFound' => '找到Sections', 

            'html' => 'html中图片宽高', 

            'Height' => '图片高度', 

            'Width' => '图片宽度', 

            'IsColor' => '是否彩色', 

            'ByteOrderMotorola' => '是否为Motorola字节顺序', 

            'ApertureFNumber' => '光圈数', 

            'Comments' => '作者注释', 

            'Author' => '作者', 

            'UserComment' => '用户注释', 

            'UserCommentEncoding' => '用户注释编码', 

            'Thumbnail.FileType' => '缩略图Exif文件类型', 

            'Thumbnail.MimeType' => '缩略图Mime文件类型', 

            'Make' => '制造商', 

            'Model' => '型号', 

            'Orientation' => '方向', 

            'XResolution' => '水平分辨率', 

            'YResolution' => '垂直分辨率', 

            'ResolutionUnit' => '分辨率单位', 

            'Software' => '创建软件', 

            'DateTime' => '最后修改时间', 

            'YCbCrPositioning' => 'YCbCr位置控制', 

            'Exif_IFD_Pointer' => 'Exif图像IFD的指针', 

            'Compression' => '压缩方式', 

            'JPEGInterchangeFormat' => 'JPEG SOI偏移', 

            'JPEGInterchangeFormatLength' => 'JPEG数据字节', 

            'ExposureTime' => '曝光时间', 

            'FNumber' => '焦距比数', 

            'ExposureProgram' => '曝光程序', 

            'ISOSpeedRatings' => 'ISO感光度', 

            'ExifVersion' => 'Exif版本', 

            'DateTimeOriginal' => '拍摄时间', 

            'DateTimeDigitized' => '数字化时间', 

            'ComponentsConfiguration' => '分量配置', 

            'CompressedBitsPerPixel' => '图像压缩率', 

            'ExposureBiasValue' => '曝光补偿', 

            'MaxApertureValue' => '最大光圈值', 

            'MeteringMode' => '测光模式', 

            'LightSource' => '光源', 

            'Flash' => '闪光灯', 

            'FocalLength' => '焦距', 

            'SubSecTime' => '亚秒时间', 

            'SubSecTimeOriginal' => '亚秒级拍摄时间', 

            'SubSecTimeDigitized' => '亚秒级数字化时间', 

            'FlashPixVersion' => 'FlashPix版本', 

            'ColorSpace' => '色彩空间', 

            'ExifImageWidth' => 'Exif图片宽度', 

            'ExifImageLength' => 'EXif图片高度', 

            'InteroperabilityOffset' => 'IFD格式数据偏移量', 

            'SensingMethod' => '彩色区域传感器类型', 

            'FileSource' => '图片像源', 

            'SceneType' => '场景类型', 

            'CFAPattern' => '滤波阵列图案', 

            'CustomRendered' => '自定义图像处理', 

            'ExposureMode' => '曝光模式', 

            'WhiteBalance' => '白平衡', 

            'DigitalZoomRatio' => '数位变焦倍率', 

            'FocalLengthIn35mmFilm' => '等价35mm焦距', 

            'SceneCaptureType' => '取景模式', 

            'GainControl' => '增益控制', 

            'Contrast' => '对比度', 

            'Saturation' => '饱和度', 

            'Sharpness' => '清晰度', 

            'SubjectDistanceRange' => '对焦距离', 

            'InterOperabilityIndex' => 'InterOperability指数', 

            'InterOperabilityVersion' => 'InterOperability版本' 

            ); 

 

        @$translate_unit = array( 

            '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'] 

            ); 

 

        $infoAllCNKey = array_keys($translate); 

        $infoAllCNName = array_values($translate); 

        foreach($infoAllCNKey as $value){ 

            @$infoAllCNValue[] = $infoAll[$value]; 

        } 

        $infoAllCNUnit = array_combine($infoAllCNName,array_values($translate_unit)); 

        $infoAllCN = array_combine($infoAllCNName,$infoAllCNValue); 

        $infoCommon = array( 

            $translate['FileName'] => $infoAll['FileName'], 

            $translate['DateTimeOriginal'] => $infoAll['DateTimeOriginal'], 

            $translate['MimeType'] => $infoAll['MimeType'], 

            $translate['Width'] => $infoAll['Width'], 

            $translate['Height'] => $infoAll['Height'], 

            $translate['Comments'] => $infoAll['Comments'], 

            $translate['Author'] => $infoAll['Author'], 

            $translate['Make'] => $infoAll['Make'], 

            $translate['Model'] => $infoAll['Model'], 

            $translate['CompressedBitsPerPixel'] => $infoAll['CompressedBitsPerPixel'], 

            $translate['ExposureBiasValue'] => $infoAll['ExposureBiasValue'], 

            $translate['MaxApertureValue'] => $infoAll['MaxApertureValue'], 

            $translate['MeteringMode'] => $infoAll['MeteringMode'], 

            $translate['LightSource'] => $infoAll['LightSource'], 

            $translate['Flash'] => $infoAll['Flash'], 

            $translate['FocalLength'] => $infoAll['FocalLength'], 

            $translate['SceneType'] => $infoAll['SceneType'], 

            $translate['CFAPattern'] => $infoAll['CFAPattern'], 

            $translate['CustomRendered'] => $infoAll['CustomRendered'], 

            $translate['ExposureMode'] => $infoAll['ExposureMode'], 

            $translate['WhiteBalance'] => $infoAll['WhiteBalance'], 

            $translate['DigitalZoomRatio'] => $infoAll['DigitalZoomRatio'], 

            $translate['FocalLengthIn35mmFilm'] => $infoAll['FocalLengthIn35mmFilm'], 

            $translate['SceneCaptureType'] => $infoAll['SceneCaptureType'], 

            $translate['GainControl'] => $infoAll['GainControl'], 

            $translate['Contrast'] => $infoAll['Contrast'], 

            $translate['Saturation'] => $infoAll['Saturation'], 

            $translate['Sharpness'] => $infoAll['Sharpness'], 

            $translate['SubjectDistanceRange'] => $infoAll['SubjectDistanceRange'], 

            $translate['Software'] => $infoAll['Software'], 

            $translate['DateTime'] => $infoAll['DateTime'], 

            $translate['FileSize'] => $infoAll['FileSize'] 

            ); 

        foreach($infoCommon as $cKey => $cKalue){ 

            $infoCommonUnitKeys[] = $cKey; 

            $infoCommonUnitValues[] = $translate_unit[$cKey]; 

        } 

        $infoCommonUnit = array_combine($infoCommonUnitKeys,$infoCommonUnitValues); 

 

        $infoBrief = array( 

            $translate['FileName'] => $infoAll['FileName'], 

            $translate['Width'] => $infoAll['Width'], 

            $translate['Height'] => $infoAll['Height'], 

            $translate['DateTimeOriginal'] => $infoAll['DateTimeOriginal'], 

            $translate['Make'] => $infoAll['Make'], 

            $translate['Model'] => $infoAll['Model'], 

            $translate['MimeType'] => $infoAll['MimeType'] 

            ); 

        foreach($infoBrief as $bKey => $bValue){ 

            $infoBriefUnitKeys[] = $bKey; 

            $infoBriefUnitValues[] = $translate_unit[$bKey]; 

        } 

        $infoBriefUnit = array_combine($infoBriefUnitKeys,$infoBriefUnitValues); 

 

        $this->imgInfoAll = $infoAll; 

        $this->imgInfoAllCN = $infoAllCN; 

        $this->imgInfoAllCNUnit = $infoAllCNUnit; 

        $this->imgInfoCommon = $this->unitFlag ? $infoCommonUnit : $infoCommon; 

        $this->imgInfoBrief = $this->unitFlag ? $infoBriefUnit : $infoBrief; 

    } 

 

    /*获取图片Exif信息，返回Exif信息一维数组 

    * 

    * @param $imgPath(必填,字符串)，图片路径，不可为url。 

    * @param $iChoice(可选,字符串或一维数组) 

    *    此参数内置了三种模式： 

    *      如果为字符串'All'，则获取所有信息； 

    *      如果为字符串'Common'，则获取常用信息； 

    *      如果为字符串'Brief'，则获取简要信息。 

    *    用户可以自定义数组获取精确的信息，如array('图片宽度','图片高度')，则获取图片宽度和高度。 

    *    对于异常输入或缺省，则自动获取简要信息。 

    * @param $showUnit(可选，字符串)，只要不为null，则获取已经转换后的值，否则获取未转换后的值。 

    */ 

    function getImgInfo($imgPath,$iChoice = null,$showUnit = null){ 

        $this->imgPath = $imgPath; 

        $this->unitFlag = $showUnit; 

        $this->imgInfo(); 

        $this->imgInfoAllCN = $showUnit ? $this->imgInfoAllCNUnit : $this->imgInfoAllCN; 

        if($iChoice){ 

            if(is_string($iChoice)){ 

                if($iChoice === 'All'){ 

                    return $this->imgInfoAllCN; 

                } 

                elseif($iChoice === 'AllUnit'){ 

                    return $this->imgInfoAllCN; 

                } 

                elseif($iChoice === 'Common'){ 

                    return $this->imgInfoCommon; 

                } 

                elseif($iChoice === 'Brief'){ 

                    return $this->imgInfoBrief; 

                } 

                else{ 

                    return $this->imgInfoBrief; 

                } 

            } 

            elseif(is_array($iChoice)){ 

                foreach($iChoice as $value){ 

                    $arrCustomValue[] = $this->imgInfoAllCN[$value]; 

                } 

                $arrCustom = array_combine($iChoice,$arrCustomValue) or die('Ensure the array $iChoice values match $infoAll keys!'); 

                return $arrCustom; 

            } 

            else{ 

                return $this->imgInfoBrief; 

            } 

        } 

        else{ 

            return $this->imgInfoBrief; 

        } 

    } 

} 

 

//示例，同时检测脚本执行时间 

 

function exeTime(){ 

    $micro = microtime(); 

    list($usec,$sec) = explode(' ',$micro); 

    return ($sec + $usec); 

} 

 

$start = exeTime(); 

 

$i = new imgExif(); 

//echo '<font color=\'blue\'>图片格式：' . $i->getImgtype('12.jpg','Extension') . '<br><br></font>';  

$arr = $i->getImgInfo('12.jpg','All','1');  

foreach($arr as $key => $value){  

    echo $key . ': ' . $value . '<br>';  

}  

  

$end = exeTime();  

echo '<br><font color=\'red\'>脚本执行时间：' . ($end - $start) . '<br></font>';  

  

?>