EXIF 사진정보 보기
<?php
    /***************************************************************************
    #    Module Name    : getExifInfo
    #    Author                : Young-sick.Yoon (wizard@ncafe.net)
    #    Date                    : 2008-01-21 오후 4:19
    # Information        : EXIF Viewer (php)
    ***************************************************************************/

    function getExifInfo($filename,$debug=0) {
        $exposureMode = array('Auto Exposure','Manual Exposure','Auto Bracket');
        $exposureProgram = array("Not defined","Manual","Program (Auto)","Aperture priority","Shutter priority","Creative program","Action program","Portrait mode","Landscape mode");
        $whiteBalance = array("Auto WB","Manual WB");
        $meteringMode = array("Unknown","Average","CenterWeightedAverage","Spot","MultiSpot","Multi-segment","Partial");
        $flash = array("73"=>"On Compulsory Red-eye reduction","89"=>"On Auto Red-eye reduction","95"=>"On Auto Red-eye reduction");

        $erdata = @exif_read_data($filename,0,true);
        if (!$erdata||!$erdata["EXIF"]) { return; }

        $exif["Make"] = $erdata["IFD0"]["Make"]; // 제조사
        $exif["Model"] = $erdata["IFD0"]["Model"]; // 모델
        $exif["ExifVersion"] = $erdata["EXIF"]["ExifVersion"]; // EXIF 버전
        $exif["DateTime"] = $erdata["EXIF"]["DateTimeOriginal"]; // 촬영일
        $exif["Software"] = $erdata["IFD0"]["Software"]; // 사용 Software
        $exif["Width"] = $erdata["EXIF"]["ExifImageWidth"]; // 사진 크기
        $exif["Height"] = $erdata["EXIF"]["ExifImageLength"]; // 사진 크기

        $exif["ExposureMode"] = $exposureMode[$erdata["IFD0"]["ExposureMode"]]; // 노출모드
        if (!$exif["ExposureMode"]) { $exif["ExposureMode"] = $exposureMode[$erdata["EXIF"]["ExposureMode"]]; }

        $tmp =  explode("/",$erdata["EXIF"]["ExposureTime"]); // 노출시간 (셔터스피드)
        $exif["ExposureTime"] = $tmp[0]/$tmp[0]."/".$tmp[1]/$tmp[0]."s";
        $tmp=null;
         
        $tmp = explode("/",$erdata["EXIF"]["FNumber"]); // 조리개값
        $exif["FNumber"] = "F".sprintf("%3.1f",@($tmp[0]/$tmp[1]));
        $tmp=null;

        $exif["ISO"] = "ISO-".$erdata["EXIF"]["ISOSpeedRatings"];  // ISO 감도
        $exif["ExposureProgram"] = $exposureProgram[$erdata["EXIF"]["ExposureProgram"]];
         
        $exif["WhiteBalance"] = $whiteBalance[$erdata["IFD0"]["WhiteBalance"]]; // 화이트벨런스
        if (!$exif["WhiteBalance"]) { $exif["WhiteBalance"] = $whiteBalance[$erdata["EXIF"]["WhiteBalance"]]; }
        

        $tmp = explode("/",$erdata["EXIF"]["ExposureBiasValue"]); // 노출보정
        $exif["ExposureBias"] = sprintf("%4.2f",@($tmp[0]/$tmp[1]))."EV";
        $tmp=null;
         
        $exif["MeteringMode"] = $meteringMode[$erdata["EXIF"]["MeteringMode"]]; // 측광모드

        if ($flash[$erdata["EXIF"]["Flash"]]) { $flash_str = " (".$flash[$erdata["EXIF"]["Flash"]].")"; } // 플래시사용여부
        $exif["Flash"] = @($erdata["EXIF"]["Flash"]&7)>0?"Flash fired":"Flash not fired";
         
        $tmp = explode("/",$erdata["EXIF"]["FocalLength"]); // 초점거리
        $exif["FocalLength"] = @($tmp[0]/$tmp[1])."mm";
        $tmp=null;
         
        $tmp = (int)$erdata["COMPUTED"]["CCDWidth"]; // CCD
        if ($tmp>0) {
            $exif["CCDWidth"] = $tmp."mm";
        }
        $tmp=null;

        $exif["FocalLengthIn35mmFilm"] =  $erdata["EXIF"]["FocalLengthIn35mmFilm"]." mm"; // 35인치 환산값
        $exif["DigitalZoomRatio"] = $erdata["EXIF"]["DigitalZoomRatio"]; // 줌
        $exif["FirmwareVersion"] = $erdata["MAKERNOTE"]["FirmwareVersion"]; // 펌웨어 버전
        $exif["Lens"] = $erdata["MAKERNOTE"]["UndefinedTag:0x0095"]; // 사용랜즈 Canon Body & Canon Lens Only

        while(list($k,$v)=each($exif)) {
            if ($v&&trim($v)!="F"&&trim($v)!="ISO-"&&trim($v)!="EV"&&trim($v)!="mm"&&trim($v)!="s") { $exif_data[$k] = $v; }
        }

        if ($debug) {
            echo "<pre>";
            print_r($erdata);
            echo "</pre>";
        }
        return $exif_data;
    }

?>





출처 : http://wizard.ncafe.net/wt/2406
, 
by 구스몽 | 2009/04/13 23:11 | 덧글(0)

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