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>‘;  
      
    ?>