RE: [PHP] Re: Upload and resize file

Been finding that out about the script. I have downloaded another and it works great. I just have to do some tweaking to suit my needs, but bottom line is it works. Thx > -----Original Message----- > From: Børge Holen [mailto:borge@arivene.net] > Sent: August 23, 2007 3:30 PM > To: php-general@lists.php.net > Subject: Re: [PHP] Re: Upload and resize file > > On Thursday 23 August 2007 14:50, Al wrote: > > Suggest you find another script. That one is weird and not > simple PHP > > code, which will do your task easily. > > just my thoughts to > > > > > Beauford wrote: > > > I downloaded this 'upload and resize image' script, and > since I have > > > no idea what I am looking at as this is something I have > never done, > > > could someone have a look and see what the problem might > be. I've > > > been searching around but haven't come across anything that makes > > > any sense yet. > > > > > > When a picture needs to be resized I am getting the > following error. > > > If it is the same size or under I don't get this error. > > > > > > Warning: unlink() [function.unlink]: No such file or directory in > > > /usr/local/apache/htdocs/website/upload.php on line 92 > > > > > > The full code is below. > > > > > > Thanks > > > > > > ------------------------------------------------------------------ > > > > > > <html> > > > > > > <head> > > > <title>web.blazonry : PHP : Upload and Resize an Image</title> > > > > > > <?php > > > > > > if ($_SERVER['REQUEST_METHOD'] == "POST") { > > > > > > /* SUBMITTED INFORMATION - use what you need > > > * temporary filename (pointer): $imgfile > > > * original filename : $imgfile_name > > > * size of uploaded file : $imgfile_size > > > * mime-type of uploaded file : $imgfile_type > > > */ > > > > > > /*== upload directory where the file will be stored > > > relative to where script is run ==*/ > > > > > > $uploaddir = "images"; > > > > > > > > > /*== get file extension (fn at bottom of script) ==*/ > > > /*== checks to see if image file, if not do not allow > upload ==*/ > > > $pext = getFileExtension($imgfile_name); > > > $pext = strtolower($pext); > > > if (($pext != "jpg") && ($pext != "jpeg")) > > > { > > > print "<h1>ERROR</h1>Image Extension > > > Unknown.<br>"; > > > print "<p>Please upload only a JPEG image with > the extension > > > .jpg or .jpeg ONLY<br><br>"; > > > print "The file you uploaded had the following extension: > > > $pext</p>\n"; > > > > > > /*== delete uploaded file ==*/ > > > unlink($imgfile); > > > exit(); > > > } > > > > > > > > > //-- RE-SIZING UPLOADED IMAGE > > > > > > /*== only resize if the image is larger than 250 x 200 ==*/ > > > $imgsize = GetImageSize($imgfile); > > > > > > /*== check size 0=width, 1=height ==*/ > > > if (($imgsize[0] > 250) || ($imgsize[1] > 200)) > > > { > > > /*== temp image file -- use "tempnam()" to > generate the temp > > > file name. This is done so if multiple > people access the > > > script at once they won't ruin each other's > temp file ==*/ > > > $tmpimg = tempnam("/tmp", "MKUP"); > > > > > > /*== RESIZE PROCESS > > > 1. decompress jpeg image to pnm file (a raw > image type) > > > 2. scale pnm image > > > 3. compress pnm file to jpeg image > > > ==*/ > > > > > > /*== Step 1: djpeg decompresses jpeg to pnm ==*/ > > > system("djpeg $imgfile >$tmpimg"); > > > > > > > > > /*== Steps 2&3: scale image using pnmscale and then > > > pipe into cjpeg to output jpeg file ==*/ > > > system("pnmscale -xy 250 200 $tmpimg | cjpeg > -smoo 10 -qual > > > 50 > > > > > >> $imgfile"); > > > > > > /*== remove temp image ==*/ > > > unlink($tmpimg); > > > > > > } > > > > > > /*== setup final file location and name ==*/ > > > /*== change spaces to underscores in filename ==*/ > > > $final_filename = str_replace(" ", "_", $imgfile_name); > > > $newfile = $uploaddir . "/$final_filename"; > > > > > > /*== do extra security check to prevent malicious abuse==*/ > > > if (is_uploaded_file($imgfile)) > > > { > > > > > > /*== move file to proper directory ==*/ > > > if (!copy($imgfile,"$newfile")) > > > { > > > /*== if an error occurs the file could not > > > be written, read or possibly does not exist ==*/ > > > print "Error Uploading File."; > > > exit(); > > > } > > > } > > > > > > /*== delete the temporary uploaded file ==*/ > > > unlink($imgfile); > > > > > > > > > print("<img src=\"images\\$final_filename\">"); > > > > > > /*== DO WHATEVER ELSE YOU WANT > > > SUCH AS INSERT DATA INTO A DATABASE ==*/ > > > > > > } > > > ?> > > > > > > > > > </head> > > > <body bgcolor="#FFFFFF"> > > > > > > <h2>Upload and Resize an Image</h2> > > > > > > <form action="<?php echo $_SERVER['PHP_SELF']; ?>" > method="POST" > > > enctype="multipart/form-data"> > > > <input type="hidden" name="MAX_FILE_SIZE" > > > value="50000"> > > > > > > <p>Upload Image: <input type="file" > > > name="imgfile"><br> > > > <font size="1">Click browse to upload a local > > > file</font><br> > > > <br> > > > <input type="submit" value="Upload Image"> > > > </form> > > > > > > </body> > > > </html> > > > > > > <?php > > > /*== FUNCTIONS ==*/ > > > > > > function getFileExtension($str) { > > > > > > $i = strrpos($str,"."); > > > if (!$i) { return ""; } > > > > > > $l = strlen($str) - $i; > > > $ext = substr($str,$i+1,$l); > > > > > > return $ext; > > > > > > } > > > ?> > > -- > --- > Børge > http://www.arivene.net > --- > > -- > PHP General Mailing List (http://www.php.net/) To > unsubscribe, visit: http://www.php.net/unsub.php > > >