PHP implementation method for displaying EXIF information of photos _php tutorial

PHP implementation method for displaying EXIF information of photos

PHP programming can be implemented to display photos EXIF information, display image thumbnail effect, the code is as follows:

  $val) {if ($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 ("", "" "," "", "" cm ");  $YCbCrPositioning = Array ("", "the center of Pixel Array", "The Datum point");  $ExposureProgram = Array ("Undefined", "manual", "Standard program", "Aperture precedent", "shutter precedent", "depth of field", "Sport Mode", "Portrait Mode", "landscape mode"); $MeteringMode _arr = Array ("0" = "Unknown", "1" = "average", "2" = "center-weighted average metering", "3" and "="  Point Test "," 4 "=" Partition "," 5 "=" Evaluation "," 6 "=" local "," 255 "and" other ");  $Lightsource _arr = Array ("0" = ="Unknown", "1" = "Daylight", "2" = "Fluorescent", "3" = "tungsten", "ten" and "Flash", "+" = "Standard Light a"    "," "+" and "Standard light B", "+" and "Standard light C", "a" and "D55", "Up" and "D65", "all" = "D75",  "255" = "other"); $Flash _arr = Array ("0" = "flash did not Fire", "1" = "Flash Fired", "5" = "Flash f"    Ired 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 ("File Information" = "No Picture exif information");    } else {$exif = Exif_read_data ($img, 0,true); $new _img_info = Array ("File Information" = "-----------------------------", "filename" = = $exif [file][filename ], "file type" = = $imgtype [$exif [File][filetype]], "file format" = = $exif [File][mimetype], File size =&gt  ; $exif [file][filesize], "timestamp" = Date ("Y-m-d h:i:s", $Exif[file][filedatetime]), "image information" = "-----------------------------", "Picture description" and "$exif [ifd0][imaged Escription], "Manufacturer" = $exif [Ifd0][make], "model" = = $exif [Ifd0][model], "direction" = + $Orie ntation[$exif [ifd0][orientation]], "horizontal Resolution" = = $exif [ifd0][xresolution]. $ResolutionUnit [$exif [ifd0][    Resolutionunit]], "vertical Resolution" = = $exif [ifd0][yresolution]. $ResolutionUnit [$exif [Ifd0][resolutionunit]], "Creating software"      = = $exif [Ifd0][software], "modification Time" = $exif [Ifd0][datetime], "author" and "$exif [Ifd0][artist],      "YCbCr position control" and "$YCbCrPositioning [$exif [ifd0][ycbcrpositioning]]," copyright "+ $exif [Ifd0][copyright],      "Photography Copyright"-$exif [Computed][copyright.photographer], "edit copyright"--$exif [Computed][copyright.editor], "Shooting information" and "-----------------------------", "Exif version" and "$exif [Exif][exifversion]," FlashPix version "=&  Gt "Ver.". Number_format ($exif [EXIF][flashpixversion]/100,2), "shooting time" = = $exif [exif][datetimeoriginal], "Digital Time" and "$exif [exif][datetimed Igitized], "shooting resolution High" = $exif [Computed][height], "shooting resolution wide" = = $exif [Computed][width],/* The A      ctual aperture value of lens when the image is 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 are ' 5 ', f-number is pow (1.41425,5) = F5.6.    */"aperture" = $exif [Exif][aperturevalue], "shutter speed" = $exif [Exif][shutterspeedvalue], "Shutter aperture" = = $exif [Computed][aperturefnumber], "Maximum aperture value" and "F". $exif [Exif][maxaperturevalue], "exposure time" = $ex If[exif][exposuretime], "f-number" = $exif [Exif][fnumber], "metering mode" = Getimageinfoval ($exif [exif][ Meteringmode], $MeteringMode _arr), "light source" = Getimageinfoval ($exif [Exif][lightsource], $Lightsource _arr),     "Flash" = Getimageinfoval ($exif [Exif][flash], $Flash _arr), "exposure mode" = ($exif [exif][exposuremode]==1? "Manual": "Automatic"), "white balance" = ($exif [exif][whitebalance]==1?  Manual ":" Automatic ")," exposure Program "= $ExposureProgram [$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. */"exposure compensation" = $exif [Exif][exposurebiasvalue]. " EV "," iso sensitivity "= $exif [exif][isospeedratings], component configuration = (Bin2Hex ($exif [Exif][componentsconfigurat ION]) = = "01020300"? " YCbCr ":" RGB "),//' 0x04,0x05,0x06,0x00 ' =" RGB "' 0x01,0x02,0x03,0x00 ' =" YCbCr "" image compression ratio "= $exif [exif][compressedbits Perpixel]. " Bits/pixel "," focus distance "= $exif [computed][focusdistance]." M "," focal length "= = $exif [Exif][focallength]." MM "," equivalent 35mm focal Length "= $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,0x49,0x 43,0x4f,0x44,0x45,0x00 ': Unicode ' 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ': Undefined */"user comment Code" = $ex If[computed][usercommentencoding], "user notes" = = $exif [computed][usercomment], "color space" = ($exif [exif][ Colorspace]==1? " SRGB ":" uncalibrated ")," exif image width "= $exif [Exif][exifimagelength]," exif image height "= $exif [exif][exifimage Width], "file source" = (Bin2Hex ($exif [Exif][filesource]) ==0x03? " Digital still Camera ":" Unknown ")," scene type "= (Bin2Hex ($exif [exif][scenetype]) ==0x01?" A directly photographed image ":" Unknown ")," thumbnail file format "= = $exif [computed][thumbnail.fIletype], "thumbnail mime format" = = $exif [Computed][thumbnail.mimetype]); } return $new _img_info;} $innerhtml = ""; $exif = Getimageinfo ($_get[' img "); $innerhtml. ="
  
  
   
   "; foreach ($exif as $name = = $val) {$innerhtml. ="
   
   ";} $innerhtml. = " 
    
 
    
 
     
{$name}
 
     
{$val}
 
    
 
     
"; 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. = "
 
    
 
   

  
  
";? > <title>Picture information</title>
  
   
  

http://www.bkjia.com/PHPjc/834953.html www.bkjia.com true http://www.bkjia.com/PHPjc/834953.html techarticle PHP Implementation of display photos EXIF information PHP programming can be implemented to display photos EXIF information, display image thumbnail effect, the code is as follows:?/*** get image Information function * A comprehensive ...

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